JSON.parse/eval/function (v4)

Revision 4 of this benchmark created on


Description

To compare the native JSON.parse function against other evaluation techniques like "eval" and "new Function"

Preparation HTML

<script src="//ajax.googleapis.com/ajax/libs/ext-core/3/ext-core.js"></script>

Setup

var Crockford;
    if (!Crockford) {
        Crockford = {};
    }
    
    (function() {
        'use strict';
    
        function f(n) {
                return n < 10 ? '0' + n : n;
        }
    
        if (typeof Date.prototype.toJSON !== 'function') {
    
                Date.prototype.toJSON = function(key) {
    
                        return isFinite(this.valueOf()) ? this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':' + f(this.getUTCMinutes()) + ':' + f(this.getUTCSeconds()) + 'Z' : null;
                };
    
                String.prototype.toJSON =
                Number.prototype.toJSON =
                Boolean.prototype.toJSON = function(key) {
                        return this.valueOf();
                };
        }
    
        var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
                        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
                        gap, indent, meta = { // table of character substitutions
                        '\b': '\\b',
                        '\t': '\\t',
                        '\n': '\\n',
                        '\f': '\\f',
                        '\r': '\\r',
                        '"': '\\"',
                        '\\': '\\\\'
                        },
                        rep;
    
        function quote(string) {
    
                escapable.lastIndex = 0;
                return escapable.test(string) ? '"' + string.replace(escapable, function(a) {
                        var c = meta[a];
                        return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                }) + '"' : '"' + string + '"';
        }
    
        function str(key, holder) {
    
                var i, 
                k,
                v,
                length, mind = gap,
                                partial, value = holder[key];
    
                if (value && typeof value === 'object' && typeof value.toJSON === 'function') {
                        value = value.toJSON(key);
                }
                if (typeof rep === 'function') {
                        value = rep.call(holder, key, value);
                }
                switch (typeof value) {
                case 'string':
                        return quote(value);
    
                case 'number':
                        return isFinite(value) ? String(value) : 'null';
    
                case 'boolean':
                case 'null':
    
                        return String(value);
                case 'object':
                        if (!value) {
                                return 'null';
                        }
                        gap += indent;
                        partial = [];
                        if (Object.prototype.toString.apply(value) === '[object Array]') {
                                length = value.length;
                                for (i = 0; i < length; i += 1) {
                                        partial[i] = str(i, value) || 'null';
                                }
                                v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']';
                                gap = mind;
                                return v;
                        }
                        if (rep && typeof rep === 'object') {
                                length = rep.length;
                                for (i = 0; i < length; i += 1) {
                                        if (typeof rep[i] === 'string') {
                                                k = rep[i];
                                                v = str(k, value);
                                                if (v) {
                                                        partial.push(quote(k) + (gap ? ': ' : ':') + v);
                                                }
                                        }
                                }
                        } else {
                                for (k in value) {
                                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                                                v = str(k, value);
                                                if (v) {
                                                        partial.push(quote(k) + (gap ? ': ' : ':') + v);
                                                }
                                        }
                                }
                        }
                        v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}';
                        gap = mind;
                        return v;
                }
        }
        if (typeof Crockford.stringify !== 'function') {
                Crockford.stringify = function(value, replacer, space) {
                        var i;
                        gap = '';
                        indent = '';
                        if (typeof space === 'number') {
                                for (i = 0; i < space; i += 1) {
                                        indent += ' ';
                                }
                        } else if (typeof space === 'string') {
                                indent = space;
                        }
                        rep = replacer;
                        if (replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) {
                                throw new Error('Crockford.stringify');
                        }
                        return str('', {
                                '': value
                        });
                };
        }
        if (typeof Crockford.parse !== 'function') {
                Crockford.parse = function(text, reviver) {
                        var j;
                        function walk(holder, key) {
                                var k, v, value = holder[key];
                                if (value && typeof value === 'object') {
                                        for (k in value) {
                                                if (Object.prototype.hasOwnProperty.call(value, k)) {
                                                        v = walk(value, k);
                                                        if (v !== undefined) {
                                                                value[k] = v;
                                                        } else {
                                                                delete value[k];
                                                        }
                                                }
                                        }
                                }
                                return reviver.call(holder, key, value);
                        }
                        text = String(text);
                        cx.lastIndex = 0;
                        if (cx.test(text)) {
                                text = text.replace(cx, function(a) {
                                        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                                });
                        }
                        if (/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
                                j = eval('(' + text + ')');
                                return typeof reviver === 'function' ? walk({
                                        '': j
                                }, '') : j;
                        }
                        throw new SyntaxError('Crockford.parse');
                };
        }
    }());
    
    var json = '{"module": "window.undefined=window.undefined;Ext={version:"3.1.0"};Ext.apply=function(d,e,b){if(b){Ext.apply(d,b)}if(d&&e&&typeof e=="object"){for(var a in e){d[a]=e[a]}}return d};(function(){var h=0,t=Object.prototype.toString,u=navigator.userAgent.toLowerCase(),z=function(e){return e.test(u)},j=document,m=j.compatMode=="CSS1Compat",B=z(/opera/),i=z(/chrome/),v=z(/webkit/),y=!i&&z(/safari/),g=y&&z(/applewebkit\/4/),b=y&&z(/version\/3/),C=y&&z(/version\/4/),s=!B&&z(/msie/),q=s&&z(/msie 7/),p=s&&z(/msie 8/),r=s&&!q&&!p,o=!v&&z(/gecko/),d=o&&z(/rv:1\.8/),a=o&&z(/rv:1\.9/),w=s&&!m,A=z(/windows|win32/),l=z(/macintosh|mac os x/),k=z(/adobeair/),n=z(/linux/),c=/^https/i.test(window.location.protocol);if(r){try{j.execCommand("BackgroundImageCache",false,true)}catch(x){}}Ext.apply(Ext,{SSL_SECURE_URL:c&&s?'javascript:""':"about:blank",isStrict:m,isSecure:c,isReady:false,enableGarbageCollector:true,enableListenerCollection:false,enableNestedListenerRemoval:false,USE_NATIVE_JSON:false,applyIf:function(D,E){if(D){for(var e in E){if(!Ext.isDefined(D[e])){D[e]=E[e]}}}return D},id:function(e,D){return(e=Ext.getDom(e)||{}).id=e.id||(D||"ext-gen")+(++h)},extend:function(){var D=function(F){for(var E in F){this[E]=F[E]}};var e=Object.prototype.constructor;return function(K,H,J){if(Ext.isObject(H)){J=H;H=K;K=J.constructor!=e?J.constructor:function(){H.apply(this,arguments)}}var G=function(){},I,E=H.prototype;G.prototype=E;I=K.prototype=new G();I.constructor=K;K.superclass=E;if(E.constructor==e){E.constructor=H}K.override=function(F){Ext.override(K,F)};I.superclass=I.supr=(function(){return E});I.override=D;Ext.override(K,J);K.extend=function(F){return Ext.extend(K,F)};return K}}(),override:function(e,E){if(E){var D=e.prototype;Ext.apply(D,E);if(Ext.isIE&&E.hasOwnProperty("toString")){D.toString=E.toString}}},namespace:function(){var D,e;Ext.each(arguments,function(E){e=E.split(".");D=window[e[0]]=window[e[0]]||{};Ext.each(e.slice(1),function(F){D=D[F]=D[F]||{}})});return D},urlEncode:function(H,G){var E,D=[],F=encodeURIComponent;Ext.iterate(H,function(e,I){E=Ext.isEmpty(I);Ext.each(E?e:I,function(J){D.push("&",F(e),"=",(!Ext.isEmpty(J)&&(J!=e||!E))?(Ext.isDate(J)?Ext.encode(J).replace(/"/g,""):F(J)):"")})});if(!G){D.shift();G=""}return G+D.join("")},urlDecode:function(E,D){if(Ext.isEmpty(E)){return{}}var H={},G=E.split("&"),I=decodeURIComponent,e,F;Ext.each(G,function(J){J=J.split("=");e=I(J[0]);F=I(J[1]);H[e]=D||!H[e]?F:[].concat(H[e]).concat(F)});return H},urlAppend:function(e,D){if(!Ext.isEmpty(D)){return e+(e.indexOf("?")===-1?"?":"&")+D}return e},toArray:function(){return s?function(E,H,F,G){G=[];for(var D=0,e=E.length;D<e;D++){G.push(E[D])}return G.slice(H||0,F||G.length)}:function(e,E,D){return Array.prototype.slice.call(e,E||0,D||e.length)}}(),isIterable:function(e){if(Ext.isArray(e)||e.callee){return true}if(/NodeList|HTMLCollection/.test(t.call(e))){return true}return((typeof e.nextNode!="undefined"||e.item)&&Ext.isNumber(e.length))},each:function(G,F,E){if(Ext.isEmpty(G,true)){return}if(!Ext.isIterable(G)||Ext.isPrimitive(G)){G=[G]}for(var D=0,e=G.length;D<e;D++){if(F.call(E||G[D],G[D],D,G)===false){return D}}},iterate:function(E,D,e){if(Ext.isEmpty(E)){return}if(Ext.isIterable(E)){Ext.each(E,D,e);return}else{if(Ext.isObject(E)){for(var F in E){if(E.hasOwnProperty(F)){if(D.call(e||E,F,E[F],E)===false){return}}}}}},getDom:function(e){if(!e||!j){return null}return e.dom?e.dom:(Ext.isString(e)?j.getElementById(e):e)},getBody:function(){return Ext.get(j.body||j.documentElement)},removeNode:s&&!p?function(){var e;return function(D){if(D&&D.tagName!="BODY"){(Ext.enableNestedListenerRemoval)?Ext.EventManager.purgeElement(D,true):Ext.EventManager.removeAll(D);e=e||j.createElement("div");e.appendChild(D);e.innerHTML="";delete Ext.elCache[D.id]}}}():function(e){if(e&&e.parentNode&&e.tagName!="BODY"){(Ext.enableNestedListenerRemoval)?Ext.EventManager.purgeElement(e,true):Ext.EventManager.removeAll(e);e.parentNode.removeChild(e);delete Ext.elCache[e.id]}},isEmpty:function(D,e){return D===null||D===undefined||((Ext.isArray(D)&&!D.length))||(!e?D==="":false)},isArray:function(e){return t.apply(e)==="[object Array]"},isDate:function(e){return t.apply(e)==="[object Date]"},isObject:function(e){return !!e&&Object.prototype.toString.call(e)==="[object Object]"},isPrimitive:function(e){return Ext.isString(e)||Ext.isNumber(e)||Ext.isBoolean(e)},isFunction:function(e){return t.apply(e)==="[object Function]"},isNumber:function(e){return typeof e==="number"&&isFinite(e)},isString:function(e){return typeof e==="string"},isBoolean:function(e){return typeof e==="boolean"},isElement:function(e){return !!e&&e.tagName},isDefined:function(e){return typeof e!=="undefined"},isOpera:B,isWebKit:v,isChrome:i,isSafari:y,isSafari3:b,isSafari4:C,isSafari2:g,isIE:s,isIE6:r,isIE7:q,isIE8:p,isGecko:o,isGecko2:d,isGecko3:a,isBorderBox:w,isLinux:n,isWindows:A,isMac:l,isAir:k});Ext.ns=Ext.namespace})();Ext.ns("Ext.util","Ext.lib","Ext.data");Ext.elCache={};Ext.apply(Function.prototype,{createInterceptor:function(b,a){var c=this;return !Ext.isFunction(b)?this:function(){var e=this,d=arguments;b.target=e;b.method=c;return(b.apply(a||e||window,d)!==false)?c.apply(e||window,d):null}},createCallback:function(){var a=arguments,b=this;return function(){return b.apply(window,a)}},createDelegate:function(c,b,a){var d=this;return function(){var g=b||arguments;if(a===true){g=Array.prototype.slice.call(arguments,0);g=g.concat(b)}else{if(Ext.isNumber(a)){g=Array.prototype.slice.call(arguments,0);var e=[a,0].concat(b);Array.prototype.splice.apply(g,e)}}return d.apply(c||window,g)}},defer:function(c,e,b,a){var d=this.createDelegate(e,b,a);if(c>0){return setTimeout(d,c)}d();return 0}});Ext.applyIf(String,{format:function(b){var a=Ext.toArray(arguments,1);return b.replace(/\{(\d+)\}/g,function(c,d){return a[d]})}});Ext.applyIf(Array.prototype,{indexOf:function(b,c){var a=this.length;c=c||0;c+=(c<0)?a:0;for(;c<a;++c){if(this[c]===b){return c}}return -1},remove:function(b){var a=this.indexOf(b);if(a!=-1){this.splice(a,1)}return this}});Ext.util.TaskRunner=function(e){e=e||10;var g=[],a=[],b=0,h=false,d=function(){h=false;clearInterval(b);b=0},i=function(){if(!h){h=true;b=setInterval(j,e)}},c=function(k){a.push(k);if(k.onStop){k.onStop.apply(k.scope||k)}},j=function(){var m=a.length,o=new Date().getTime();if(m>0){for(var q=0;q<m;q++){g.remove(a[q])}a=[];if(g.length<1){d();return}}for(var q=0,p,l,n,k=g.length;q<k;++q){p=g[q];l=o-p.taskRunTime;if(p.interval<=l){n=p.run.apply(p.scope||p,p.args||[++p.taskRunCount]);p.taskRunTime=o;if(n===false||p.taskRunCount===p.repeat){c(p);return}}if(p.duration&&p.duration<=(o-p.taskStartTime)){c(p)}}};this.start=function(k){g.push(k);k.taskStartTime=new Date().getTime();k.taskRunTime=0;k.taskRunCount=0;i();return k};this.stop=function(k){c(k);return k};this.stopAll=function(){d();for(var l=0,k=g.length;l<k;l++){if(g[l].onStop){g[l].onStop()}}g=[];a=[]}};Ext.TaskMgr=new Ext.util.TaskRunner();Ext.util.DelayedTask=function(d,c,a){var e=this,g,b=function(){clearInterval(g);g=null;d.apply(c,a||[])};e.delay=function(i,k,j,h){e.cancel();d=k||d;c=j||c;a=h||a;g=setInterval(b,i)};e.cancel=function(){if(g){clearInterval(g);g=null}}};(function(){var b;function c(d){if(!b){b=new Ext.Element.Flyweight()}b.dom=d;return b}(function(){var h=document,e=h.compatMode=="CSS1Compat",g=Math.max,d=Math.round,i=parseInt;Ext.lib.Dom={isAncestor:function(k,l){var j=false;k=Ext.getDom(k);l=Ext.getDom(l);if(k&&l){if(k.contains){return k.contains(l)}else{if(k.compareDocumentPosition){return !!(k.compareDocumentPosition(l)&16)}else{while(l=l.parentNode){j=l==k||j}}}}return j},getViewWidth:function(j){return j?this.getDocumentWidth():this.getViewportWidth()},getViewHeight:function(j){return j?this.getDocumentHeight():this.getViewportHeight()},getDocumentHeight:function(){return g(!e?h.body.scrollHeight:h.documentElement.scrollHeight,this.getViewportHeight())},getDocumentWidth:function(){return g(!e?h.body.scrollWidth:h.documentElement.scrollWidth,this.getViewportWidth())},getViewportHeight:function(){return Ext.isIE?(Ext.isStrict?h.documentElement.clientHeight:h.body.clientHeight):self.innerHeight},getViewportWidth:function(){return !Ext.isStrict&&!Ext.isOpera?h.body.clientWidth:Ext.isIE?h.documentElement.clientWidth:self.innerWidth},getY:function(j){return this.getXY(j)[1]},getX:function(j){return this.getXY(j)[0]},getXY:function(l){var k,r,t,w,m,n,v=0,s=0,u,j,o=(h.body||h.documentElement),q=[0,0];l=Ext.getDom(l);if(l!=o){if(l.getBoundingClientRect){t=l.getBoundingClientRect();u=c(document).getScroll();q=[d(t.left+u.left),d(t.top+u.top)]}else{k=l;j=c(l).isStyle("position","absolute");while(k){r=c(k);v+=k.offsetLeft;s+=k.offsetTop;j=j||r.isStyle("position","absolute");if(Ext.isGecko){s+=w=i(r.getStyle("borderTopWidth"),10)||0;v+=m=i(r.getStyle("borderLeftWidth"),10)||0;if(k!=l&&!r.isStyle("overflow","visible")){v+=m;s+=w}}k=k.offsetParent}if(Ext.isSafari&&j){v-=o.offsetLeft;s-=o.offsetTop}if(Ext.isGecko&&!j){n=c(o);v+=i(n.getStyle("borderLeftWidth"),10)||0;s+=i(n.getStyle("borderTopWidth"),10)||0}k=l.parentNode;while(k&&k!=o){if(!Ext.isOpera||(k.tagName!="TR"&&!c(k).isStyle("display","inline"))){v-=k.scrollLeft;s-=k.scrollTop}k=k.parentNode}q=[v,s]}}return q},setXY:function(k,l){(k=Ext.fly(k,"_setXY")).position();var m=k.translatePoints(l),j=k.dom.style,n;for(n in 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v.substr(0,v.length-1)},useDefaultHeader:true,defaultPostHeader:"application/x-www-form-urlencoded; charset=UTF-8",useDefaultXhrHeader:true,defaultXhrHeader:"XMLHttpRequest",poll:{},timeout:{},pollInterval:50,transactionId:0,abort:function(u,w,r){var t=this,v=u.tId,s=false;if(t.isCallInProgress(u)){u.conn.abort();clearInterval(t.poll[v]);t.poll[v]=null;clearTimeout(l.timeout[v]);t.timeout[v]=null;g(u,w,(s=true),r)}return s},isCallInProgress:function(r){return r.conn&&!{0:true,4:true}[r.conn.readyState]}};return l}();(function(){var h=Ext.lib,j=/width|height|opacity|padding/i,g=/^((width|height)|(top|left))$/,d=/width|height|top$|bottom$|left$|right$/i,i=/\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i,k=function(l){return typeof l!=="undefined"},e=function(){return new Date()};h.Anim={motion:function(o,m,p,q,l,n){return this.run(o,m,p,q,l,n,Ext.lib.Motion)},run:function(p,m,r,s,l,o,n){n=n||Ext.lib.AnimBase;if(typeof s=="string"){s=Ext.lib.Easing[s]}var q=new n(p,m,r,s);q.animateX(function(){if(Ext.isFunction(l)){l.call(o)}});return q}};h.AnimBase=function(m,l,n,o){if(m){this.init(m,l,n,o)}};h.AnimBase.prototype={doMethod:function(l,o,m){var n=this;return n.method(n.curFrame,o,m-o,n.totalFrames)},setAttr:function(l,n,m){if(j.test(l)&&n<0){n=0}Ext.fly(this.el,"_anim").setStyle(l,n+m)},getAttr:function(l){var n=Ext.fly(this.el),o=n.getStyle(l),m=g.exec(l)||[];if(o!=="auto"&&!i.test(o)){return parseFloat(o)}return(!!(m[2])||(n.getStyle("position")=="absolute"&&!!(m[3])))?n.dom["offset"+m[0].charAt(0).toUpperCase()+m[0].substr(1)]:0},getDefaultUnit:function(l){return d.test(l)?"px":""},animateX:function(o,l){var m=this,n=function(){m.onComplete.removeListener(n);if(Ext.isFunction(o)){o.call(l||m,m)}};m.onComplete.addListener(n,m);m.animate()},setRunAttr:function(q){var s=this,t=this.attributes[q],u=t.to,r=t.by,v=t.from,w=t.unit,m=(this.runAttrs[q]={}),n;if(!k(u)&&!k(r)){return false}var l=k(v)?v:s.getAttr(q);if(k(u)){n=u}else{if(k(r)){if(Ext.isArray(l)){n=[];for(var o=0,p=l.length;o<p;o++){n[o]=l[o]+r[o]}}else{n=l+r}}}Ext.apply(m,{start:l,end:n,unit:k(w)?w:s.getDefaultUnit(q)})},init:function(m,q,p,l){var s=this,o=0,t=h.AnimMgr;Ext.apply(s,{isAnimated:false,startTime:null,el:Ext.getDom(m),attributes:q||{},duration:p||1,method:l||h.Easing.easeNone,useSec:true,curFrame:0,totalFrames:t.fps,runAttrs:{},animate:function(){var v=this,w=v.duration;if(v.isAnimated){return false}v.curFrame=0;v.totalFrames=v.useSec?Math.ceil(t.fps*w):w;t.registerElement(v)},stop:function(v){var w=this;if(v){w.curFrame=w.totalFrames;w._onTween.fire()}t.stop(w)}});var u=function(){var w=this,v;w.onStart.fire();w.runAttrs={};for(v in this.attributes){this.setRunAttr(v)}w.isAnimated=true;w.startTime=e();o=0};var r=function(){var w=this;w.onTween.fire({duration:e()-w.startTime,curFrame:w.curFrame});var x=w.runAttrs;for(var v in x){this.setAttr(v,w.doMethod(v,x[v].start,x[v].end),x[v].unit)}++o};var n=function(){var v=this,x=(e()-v.startTime)/1000,w={duration:x,frames:o,fps:o/x};v.isAnimated=false;o=0;v.onComplete.fire(w)};s.onStart=new Ext.util.Event(s);s.onTween=new Ext.util.Event(s);s.onComplete=new Ext.util.Event(s);(s._onStart=new Ext.util.Event(s)).addListener(u);(s._onTween=new Ext.util.Event(s)).addListener(r);(s._onComplete=new Ext.util.Event(s)).addListener(n)}};Ext.lib.AnimMgr=new function(){var p=this,n=null,m=[],l=0;Ext.apply(p,{fps:1000,delay:1,registerElement:function(r){m.push(r);++l;r._onStart.fire();p.start()},unRegister:function(s,r){s._onComplete.fire();r=r||q(s);if(r!=-1){m.splice(r,1)}if(--l<=0){p.stop()}},start:function(){if(n===null){n=setInterval(p.run,p.delay)}},stop:function(t){if(!t){clearInterval(n);for(var s=0,r=m.length;s<r;++s){if(m[0].isAnimated){p.unRegister(m[0],0)}}m=[];n=null;l=0}else{p.unRegister(t)}},run:function(){var u,t,r,s;for(t=0,r=m.length;t<r;t++){s=m[t];if(s&&s.isAnimated){u=s.totalFrames;if(s.curFrame<u||u===null){++s.curFrame;if(s.useSec){o(s)}s._onTween.fire()}else{p.stop(s)}}}}});var q=function(t){var s,r;for(s=0,r=m.length;s<r;s++){if(m[s]===t){return s}}return -1};var o=function(s){var w=s.totalFrames,v=s.curFrame,u=s.duration,t=(v*u*1000/w),r=(e()-s.startTime),x=0;if(r<u*1000){x=Math.round((r/t-1)*v)}else{x=w-(v+1)}if(x>0&&isFinite(x)){if(s.curFrame+x>=w){x=w-(v+1)}s.curFrame+=x}}};h.Bezier=new function(){this.getPosition=function(q,p){var s=q.length,o=[],r=1-p,m,l;for(m=0;m<s;++m){o[m]=[q[m][0],q[m][1]]}for(l=1;l<s;++l){for(m=0;m<s-l;++m){o[m][0]=r*o[m][0]+p*o[parseInt(m+1,10)][0];o[m][1]=r*o[m][1]+p*o[parseInt(m+1,10)][1]}}return[o[0][0],o[0][1]]}};h.Easing={easeNone:function(m,l,o,n){return o*m/n+l},easeIn:function(m,l,o,n){return o*(m/=n)*m+l},easeOut:function(m,l,o,n){return -o*(m/=n)*(m-2)+l}};(function(){h.Motion=function(q,p,r,s){if(q){h.Motion.superclass.constructor.call(this,q,p,r,s)}};Ext.extend(h.Motion,Ext.lib.AnimBase);var o=h.Motion.superclass,n=h.Motion.prototype,m=/^points$/i;Ext.apply(h.Motion.prototype,{setAttr:function(p,t,s){var r=this,q=o.setAttr;if(m.test(p)){s=s||"px";q.call(r,"left",t[0],s);q.call(r,"top",t[1],s)}else{q.call(r,p,t,s)}},getAttr:function(p){var r=this,q=o.getAttr;return m.test(p)?[q.call(r,"left"),q.call(r,"top")]:q.call(r,p)},doMethod:function(p,s,q){var r=this;return m.test(p)?h.Bezier.getPosition(r.runAttrs[p],r.method(r.curFrame,0,100,r.totalFrames)/100):o.doMethod.call(r,p,s,q)},setRunAttr:function(w){if(m.test(w)){var y=this,r=this.el,B=this.attributes.points,u=B.control||[],z=B.from,A=B.to,x=B.by,C=h.Dom,q,t,s,v,p;if(u.length>0&&!Ext.isArray(u[0])){u=[u]}else{}Ext.fly(r,"_anim").position();C.setXY(r,k(z)?z:C.getXY(r));q=y.getAttr("points");if(k(A)){s=l.call(y,A,q);for(t=0,v=u.length;t<v;++t){u[t]=l.call(y,u[t],q)}}else{if(k(x)){s=[q[0]+x[0],q[1]+x[1]];for(t=0,v=u.length;t<v;++t){u[t]=[q[0]+u[t][0],q[1]+u[t][1]]}}}p=this.runAttrs[w]=[q];if(u.length>0){p=p.concat(u)}p[p.length]=s}else{o.setRunAttr.call(this,w)}}});var l=function(p,r){var q=h.Dom.getXY(this.el);return[p[0]-q[0]+r[0],p[1]-q[1]+r[1]]}})()})();(function(){var d=Math.abs,j=Math.PI,i=Math.asin,h=Math.pow,e=Math.sin,g=Ext.lib;Ext.apply(g.Easing,{easeBoth:function(l,k,n,m){return((l/=m/2)<1)?n/2*l*l+k:-n/2*((--l)*(l-2)-1)+k},easeInStrong:function(l,k,n,m){return n*(l/=m)*l*l*l+k},easeOutStrong:function(l,k,n,m){return -n*((l=l/m-1)*l*l*l-1)+k},easeBothStrong:function(l,k,n,m){return((l/=m/2)<1)?n/2*l*l*l*l+k:-n/2*((l-=2)*l*l*l-2)+k},elasticIn:function(m,k,r,q,l,o){if(m==0||(m/=q)==1){return m==0?k:k+r}o=o||(q*0.3);var n;if(l>=d(r)){n=o/(2*j)*i(r/l)}else{l=r;n=o/4}return -(l*h(2,10*(m-=1))*e((m*q-n)*(2*j)/o))+k},elasticOut:function(m,k,r,q,l,o){if(m==0||(m/=q)==1){return m==0?k:k+r}o=o||(q*0.3);var n;if(l>=d(r)){n=o/(2*j)*i(r/l)}else{l=r;n=o/4}return l*h(2,-10*m)*e((m*q-n)*(2*j)/o)+r+k},elasticBoth:function(m,k,r,q,l,o){if(m==0||(m/=q/2)==2){return m==0?k:k+r}o=o||(q*(0.3*1.5));var n;if(l>=d(r)){n=o/(2*j)*i(r/l)}else{l=r;n=o/4}return m<1?-0.5*(l*h(2,10*(m-=1))*e((m*q-n)*(2*j)/o))+k:l*h(2,-10*(m-=1))*e((m*q-n)*(2*j)/o)*0.5+r+k},backIn:function(l,k,o,n,m){m=m||1.70158;return o*(l/=n)*l*((m+1)*l-m)+k},backOut:function(l,k,o,n,m){if(!m){m=1.70158}return o*((l=l/n-1)*l*((m+1)*l+m)+1)+k},backBoth:function(l,k,o,n,m){m=m||1.70158;return((l/=n/2)<1)?o/2*(l*l*(((m*=(1.525))+1)*l-m))+k:o/2*((l-=2)*l*(((m*=(1.525))+1)*l+m)+2)+k},bounceIn:function(l,k,n,m){return n-g.Easing.bounceOut(m-l,0,n,m)+k},bounceOut:function(l,k,n,m){if((l/=m)<(1/2.75)){return n*(7.5625*l*l)+k}else{if(l<(2/2.75)){return n*(7.5625*(l-=(1.5/2.75))*l+0.75)+k}else{if(l<(2.5/2.75)){return n*(7.5625*(l-=(2.25/2.75))*l+0.9375)+k}}}return n*(7.5625*(l-=(2.625/2.75))*l+0.984375)+k},bounceBoth:function(l,k,n,m){return(l<m/2)?g.Easing.bounceIn(l*2,0,n,m)*0.5+k:g.Easing.bounceOut(l*2-m,0,n,m)*0.5+n*0.5+k}})})();(function(){var i=Ext.lib;i.Anim.color=function(q,o,r,s,n,p){return i.Anim.run(q,o,r,s,n,p,i.ColorAnim)};i.ColorAnim=function(o,n,p,q){i.ColorAnim.superclass.constructor.call(this,o,n,p,q)};Ext.extend(i.ColorAnim,i.AnimBase);var k=i.ColorAnim.superclass,j=/color$/i,g=/^transparent|rgba\(0, 0, 0, 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Ext.fly(el).getStyle(name)},compile:function(path,type){type=type||"select";var fn=["var f = function(root){\n var mode; ++batch; var n = root || document;\n"],q=path,mode,lq,tk=Ext.DomQuery.matchers,tklen=tk.length,mm,lmode=q.match(modeRe);if(lmode&&lmode[1]){fn[fn.length]='mode="'+lmode[1].replace(trimRe,"")+'";';q=q.replace(lmode[1],"")}while(path.substr(0,1)=="/"){path=path.substr(1)}while(q&&lq!=q){lq=q;var tm=q.match(tagTokenRe);if(type=="select"){if(tm){if(tm[1]=="#"){fn[fn.length]='n = quickId(n, mode, root, "'+tm[2]+'");'}else{fn[fn.length]='n = getNodes(n, mode, "'+tm[2]+'");'}q=q.replace(tm[0],"")}else{if(q.substr(0,1)!="@"){fn[fn.length]='n = getNodes(n, mode, "*");'}}}else{if(tm){if(tm[1]=="#"){fn[fn.length]='n = byId(n, null, "'+tm[2]+'");'}else{fn[fn.length]='n = byTag(n, "'+tm[2]+'");'}q=q.replace(tm[0],"")}}while(!(mm=q.match(modeRe))){var matched=false;for(var j=0;j<tklen;j++){var t=tk[j];var 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Ext.DomQuery.select(path,root)[0]},selectValue:function(path,root,defaultValue){path=path.replace(trimRe,"");if(!valueCache[path]){valueCache[path]=Ext.DomQuery.compile(path,"select")}var n=valueCache[path](root),v;n=n[0]?n[0]:n;if(typeof n.normalize=="function"){n.normalize()}v=(n&&n.firstChild?n.firstChild.nodeValue:null);return((v===null||v===undefined||v==="")?defaultValue:v)},selectNumber:function(path,root,defaultValue){var v=Ext.DomQuery.selectValue(path,root,defaultValue||0);return parseFloat(v)},is:function(el,ss){if(typeof el=="string"){el=document.getElementById(el)}var isArray=Ext.isArray(el),result=Ext.DomQuery.filter(isArray?el:[el],ss);return isArray?(result.length==el.length):(result.length>0)},filter:function(els,ss,nonMatches){ss=ss.replace(trimRe,"");if(!simpleCache[ss]){simpleCache[ss]=Ext.DomQuery.compile(ss,"simple")}var result=simpleCache[ss](els);return nonMatches?quickDiff(result,els):result},matchers:[{re:/^\.([\w-]+)/,select:'n = byClassName(n, null, " {1} 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C=["DOMMouseScroll",x,false];y.addEventListener.apply(y,C);Ext.EventManager.addListener(v,"unload",function(){y.removeEventListener.apply(y,C)})}if(A=="mousedown"&&y==document){Ext.EventManager.stoppedMouseDownEvent.addListener(x)}}function c(){if(!i){Ext.isReady=i=true;if(m){clearInterval(m)}if(Ext.isGecko||Ext.isOpera){b.removeEventListener(o,c,false)}if(Ext.isIE){var w=b.getElementById(e);if(w){w.onreadystatechange=null;w.parentNode.removeChild(w)}}if(u){u.fire();u.listeners=[]}}}function a(){var w="complete";u=new Ext.util.Event();if(Ext.isGecko||Ext.isOpera){b.addEventListener(o,c,false)}else{if(Ext.isIE){b.write("<script id="+e+' defer="defer" src="//:"><\/script>');b.getElementById(e).onreadystatechange=function(){if(this.readyState==w){c()}}}else{if(Ext.isWebKit){m=setInterval(function(){if(b.readyState==w){c()}},10)}}}l.on(v,"load",c)}function s(w,x){return function(){var y=Ext.toArray(arguments);if(x.target==Ext.EventObject.setEvent(y[0]).target){w.apply(this,y)}}}function 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x=k(y),D=Ext.elCache[x]||{},E=D.events||{},z,C,B;if(A){if(E&&E.hasOwnProperty(A)){C=E[A];for(z=0,B=C.length;z<B;z++){Ext.EventManager.removeListener(y,A,C[z][0])}}}else{Ext.EventManager.removeAll(y)}if(w&&y&&y.childNodes){for(z=0,B=y.childNodes.length;z<B;z++){Ext.EventManager.purgeElement(y.childNodes[z],w,A)}}},_unload:function(){var w;for(w in Ext.elCache){Ext.EventManager.removeAll(w)}},onDocumentReady:function(y,x,w){if(i){u.addListener(y,x,w);u.fire();u.listeners=[]}else{if(!u){a()}w=w||{};w.delay=w.delay||1;u.addListener(y,x,w)}}};r.on=r.addListener;r.un=r.removeListener;r.stoppedMouseDownEvent=new Ext.util.Event();return r}();Ext.onReady=Ext.EventManager.onDocumentReady;(function(){var a=function(){var c=document.body||document.getElementsByTagName("body")[0];if(!c){return false}var b=[" ",Ext.isIE?"ext-ie "+(Ext.isIE6?"ext-ie6":(Ext.isIE7?"ext-ie7":"ext-ie8")):Ext.isGecko?"ext-gecko 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this.normalizeKey(this.keyCode||this.charCode)},normalizeKey:function(d){return Ext.isSafari?(a[d]||d):d},getPageX:function(){return this.xy[0]},getPageY:function(){return this.xy[1]},getXY:function(){return this.xy},getTarget:function(e,g,d){return e?Ext.fly(this.target).findParent(e,g,d):(d?Ext.get(this.target):this.target)},getRelatedTarget:function(){return this.browserEvent?b.getRelatedTarget(this.browserEvent):null},getWheelDelta:function(){var d=this.browserEvent;var g=0;if(d.wheelDelta){g=d.wheelDelta/120}else{if(d.detail){g=-d.detail/3}}return g},within:function(g,h,d){if(g){var e=this[h?"getRelatedTarget":"getTarget"]();return e&&((d?(e==Ext.getDom(g)):false)||Ext.fly(g).contains(e))}return false}};return new Ext.EventObjectImpl()}();(function(){var j=document;Ext.Element=function(o,p){var q=typeof o=="string"?j.getElementById(o):o,r;if(!q){return null}r=q.id;if(!p&&r&&Ext.elCache[r]){return Ext.elCache[r].el}this.dom=q;this.id=r||Ext.id(q)};var a=Ext.lib.Dom,g=Ext.DomHelper,m=Ext.lib.Event,e=Ext.lib.Anim,h=Ext.Element,b=Ext.elCache;h.prototype={set:function(t,q){var r=this.dom,p,s,q=(q!==false)&&!!r.setAttribute;for(p in t){if(t.hasOwnProperty(p)){s=t[p];if(p=="style"){g.applyStyles(r,s)}else{if(p=="cls"){r.className=s}else{if(q){r.setAttribute(p,s)}else{r[p]=s}}}}}return this},defaultUnit:"px",is:function(o){return Ext.DomQuery.is(this.dom,o)},focus:function(r,q){var o=this,q=q||o.dom;try{if(Number(r)){o.focus.defer(r,null,[null,q])}else{q.focus()}}catch(p){}return o},blur:function(){try{this.dom.blur()}catch(o){}return this},getValue:function(o){var p=this.dom.value;return o?parseInt(p,10):p},addListener:function(o,r,q,p){Ext.EventManager.on(this.dom,o,r,q||this,p);return this},removeListener:function(o,q,p){Ext.EventManager.removeListener(this.dom,o,q,p||this);return this},removeAllListeners:function(){Ext.EventManager.removeAll(this.dom);return this},purgeAllListeners:function(){Ext.EventManager.purgeElement(this,true);return this},addUnits:function(o){if(o===""||o=="auto"||o===undefined){o=o||""}else{if(!isNaN(o)||!k.test(o)){o=o+(this.defaultUnit||"px")}}return o},load:function(p,q,o){Ext.Ajax.request(Ext.apply({params:q,url:p.url||p,callback:o,el:this.dom,indicatorText:p.indicatorText||""},Ext.isObject(p)?p:{}));return this},isBorderBox:function(){return i[(this.dom.tagName||"").toLowerCase()]||Ext.isBorderBox},remove:function(){var o=this,p=o.dom;if(p){delete o.dom;Ext.removeNode(p)}},hover:function(p,o,r,q){var s=this;s.on("mouseenter",p,r||s.dom,q);s.on("mouseleave",o,r||s.dom,q);return s},contains:function(o){return !o?false:Ext.lib.Dom.isAncestor(this.dom,o.dom?o.dom:o)},getAttributeNS:function(p,o){return this.getAttribute(o,p)},getAttribute:Ext.isIE?function(o,q){var r=this.dom,p=typeof r[q+":"+o];if(["undefined","unknown"].indexOf(p)==-1){return r[q+":"+o]}return r[o]}:function(o,p){var q=this.dom;return q.getAttributeNS(p,o)||q.getAttribute(p+":"+o)||q.getAttribute(o)||q[o]},update:function(o){if(this.dom){this.dom.innerHTML=o}return this}};var n=h.prototype;h.addMethods=function(p){Ext.apply(n,p)};n.on=n.addListener;n.un=n.removeListener;n.autoBoxAdjust=true;var k=/\d+(px|em|%|en|ex|pt|in|cm|mm|pc)$/i,d;h.get=function(p){var o,s,r;if(!p){return null}if(typeof p=="string"){if(!(s=j.getElementById(p))){return null}if(b[p]&&b[p].el){o=b[p].el;o.dom=s}else{o=h.addToCache(new h(s))}return o}else{if(p.tagName){if(!(r=p.id)){r=Ext.id(p)}if(b[r]&&b[r].el){o=b[r].el;o.dom=p}else{o=h.addToCache(new h(p))}return o}else{if(p instanceof h){if(p!=d){p.dom=j.getElementById(p.id)||p.dom}return p}else{if(p.isComposite){return p}else{if(Ext.isArray(p)){return h.select(p)}else{if(p==j){if(!d){var q=function(){};q.prototype=h.prototype;d=new q();d.dom=j}return d}}}}}}return null};h.addToCache=function(o,p){p=p||o.id;b[p]={el:o,data:{},events:{}};return o};h.data=function(p,o,q){p=h.get(p);if(!p){return null}var r=b[p.id].data;if(arguments.length==2){return r[o]}else{return(r[o]=q)}};function l(){if(!Ext.enableGarbageCollector){clearInterval(h.collectorThreadId)}else{var p,r,u,s;for(p in b){s=b[p];if(s.skipGC){continue}r=s.el;u=r.dom;if(!u||!u.parentNode||(!u.offsetParent&&!j.getElementById(p))){if(Ext.enableListenerCollection){Ext.EventManager.removeAll(u)}delete b[p]}}if(Ext.isIE){var q={};for(p in b){q[p]=b[p]}b=Ext.elCache=q}}}h.collectorThreadId=setInterval(l,30000);var c=function(){};c.prototype=h.prototype;h.Flyweight=function(o){this.dom=o};h.Flyweight.prototype=new c();h.Flyweight.prototype.isFlyweight=true;h._flyweights={};h.fly=function(q,o){var p=null;o=o||"_global";if(q=Ext.getDom(q)){(h._flyweights[o]=h._flyweights[o]||new h.Flyweight()).dom=q;p=h._flyweights[o]}return p};Ext.get=h.get;Ext.fly=h.fly;var i=Ext.isStrict?{select:1}:{input:1,select:1,textarea:1};if(Ext.isIE||Ext.isGecko){i.button=1}Ext.EventManager.on(window,"unload",function(){delete b;delete h._flyweights})})();Ext.Element.addMethods(function(){var d="parentNode",b="nextSibling",c="previousSibling",e=Ext.DomQuery,a=Ext.get;return{findParent:function(m,l,h){var j=this.dom,g=document.body,k=0,i;if(Ext.isGecko&&Object.prototype.toString.call(j)=="[object XULElement]"){return null}l=l||50;if(isNaN(l)){i=Ext.getDom(l);l=Number.MAX_VALUE}while(j&&j.nodeType==1&&k<l&&j!=g&&j!=i){if(e.is(j,m)){return h?a(j):j}k++;j=j.parentNode}return null},findParentNode:function(j,i,g){var h=Ext.fly(this.dom.parentNode,"_internal");return h?h.findParent(j,i,g):null},up:function(h,g){return this.findParentNode(h,g,true)},select:function(g){return Ext.Element.select(g,this.dom)},query:function(g){return e.select(g,this.dom)},child:function(g,h){var i=e.selectNode(g,this.dom);return h?i:a(i)},down:function(g,h){var i=e.selectNode(" > "+g,this.dom);return h?i:a(i)},parent:function(g,h){return this.matchNode(d,d,g,h)},next:function(g,h){return this.matchNode(b,b,g,h)},prev:function(g,h){return this.matchNode(c,c,g,h)},first:function(g,h){return this.matchNode(b,"firstChild",g,h)},last:function(g,h){return this.matchNode(c,"lastChild",g,h)},matchNode:function(h,k,g,i){var j=this.dom[k];while(j){if(j.nodeType==1&&(!g||e.is(j,g))){return !i?a(j):j}j=j[h]}return null}}}());Ext.Element.addMethods(function(){var c=Ext.getDom,a=Ext.get,b=Ext.DomHelper;return{appendChild:function(d){return a(d).appendTo(this)},appendTo:function(d){c(d).appendChild(this.dom);return this},insertBefore:function(d){(d=c(d)).parentNode.insertBefore(this.dom,d);return this},insertAfter:function(d){(d=c(d)).parentNode.insertBefore(this.dom,d.nextSibling);return this},insertFirst:function(e,d){e=e||{};if(e.nodeType||e.dom||typeof e=="string"){e=c(e);this.dom.insertBefore(e,this.dom.firstChild);return !d?a(e):e}else{return this.createChild(e,this.dom.firstChild,d)}},replace:function(d){d=a(d);this.insertBefore(d);d.remove();return this},replaceWith:function(d){var e=this;if(d.nodeType||d.dom||typeof d=="string"){d=c(d);e.dom.parentNode.insertBefore(d,e.dom)}else{d=b.insertBefore(e.dom,d)}delete Ext.elCache[e.id];Ext.removeNode(e.dom);e.id=Ext.id(e.dom=d);Ext.Element.addToCache(e.isFlyweight?new Ext.Element(e.dom):e);return e},createChild:function(e,d,g){e=e||{tag:"div"};return d?b.insertBefore(d,e,g!==true):b[!this.dom.firstChild?"overwrite":"append"](this.dom,e,g!==true)},wrap:function(d,e){var g=b.insertBefore(this.dom,d||{tag:"div"},!e);g.dom?g.dom.appendChild(this.dom):g.appendChild(this.dom);return g},insertHtml:function(e,g,d){var h=b.insertHtml(e,this.dom,g);return d?Ext.get(h):h}}}());Ext.Element.addMethods(function(){var h={},x=/(-[a-z])/gi,b={},s=document.defaultView,u=Ext.isIE?"styleFloat":"cssFloat",C=/alpha\(opacity=(.*)\)/i,l=/^\s+|\s+$/g,A=Ext.Element,d="padding",c="margin",y="border",t="-left",q="-right",w="-top",o="-bottom",j="-width",r=Math,z="hidden",e="isClipped",k="overflow",n="overflow-x",m="overflow-y",B="originalClip",i={l:y+t+j,r:y+q+j,t:y+w+j,b:y+o+j},g={l:d+t,r:d+q,t:d+w,b:d+o},a={l:c+t,r:c+q,t:c+w,b:c+o},D=Ext.Element.data;function p(E,F){return F.charAt(1).toUpperCase()}function v(E){return h[E]||(h[E]=E=="float"?u:E.replace(x,p))}return{adjustWidth:function(E){var F=this;var G=Ext.isNumber(E);if(G&&F.autoBoxAdjust&&!F.isBorderBox()){E-=(F.getBorderWidth("lr")+F.getPadding("lr"))}return(G&&E<0)?0:E},adjustHeight:function(E){var F=this;var G=Ext.isNumber(E);if(G&&F.autoBoxAdjust&&!F.isBorderBox()){E-=(F.getBorderWidth("tb")+F.getPadding("tb"))}return(G&&E<0)?0:E},addClass:function(H){var I=this,G,E,F;H=Ext.isArray(H)?H:[H];for(G=0,E=H.length;G<E;G++){F=H[G];if(F){I.dom.className+=(!I.hasClass(F)&&F?" "+F:"")}}return I},radioClass:function(H){var I=this.dom.parentNode.childNodes,F;H=Ext.isArray(H)?H:[H];for(var G=0,E=I.length;G<E;G++){F=I[G];if(F&&F.nodeType==1){Ext.fly(F,"_internal").removeClass(H)}}return this.addClass(H)},removeClass:function(H){var I=this,F;H=E

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JSON.parse
result = JSON.parse( json );
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eval
eval('result = ('+ json +')');
ready
Function
result = new Function('x','return ('+ json +')')();
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Crockford
result = Crockford.parse (json);
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