jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
<script src='//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js'></script>
<script src='//cdnjs.cloudflare.com/ajax/libs/lodash.js/1.2.1/lodash.underscore.js'></script>
<script src='//cdnjs.cloudflare.com/ajax/libs/backbone.js/0.5.2/backbone-min.js'></script>
<script>var bb053Events = Backbone.Events;</script>
<script src='//cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.2/backbone-min.js'></script>
<script>var bb092Events = Backbone.Events;</script>
<script src='//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js'></script>
<script>var bb100Events = Backbone.Events;</script>
<script src="https://gist.github.com/paulmillr/ee031a6e4ed5956afc90/raw/90fd4880a4ce3c4b3e4ff1b0c70a65e6cfe611e0/exoskel.js"></script>
<script>var exosEvents = Exoskeleton.Events;</script>
<script src='//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js?alt=1'></script>
<script>
var bbAltEvents = Backbone.Events;
(function() {
var undefined,
eventSplitter = /\s+/,
reThis = /\bthis\b/,
slice = Array.prototype.slice;
var eventsApi = function(obj, action, name, rest) {
if (!name) return true;
if (typeof name === 'object') {
for (var key in name) {
obj[action].apply(obj, [key, name[key]].concat(rest));
}
return false;
}
if (eventSplitter.test(name)) {
var names = name.split(eventSplitter);
for (var i = 0, l = names.length; i < l; i++) {
obj[action].apply(obj, [names[i]].concat(rest));
}
return false;
}
return true;
};
var triggerEvents = function(events, args) {
var cb, ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
switch (args.length) {
case 0: while (++i < l)
(ev = events[i],
cb = ev.callback,
ev.bind ? cb.call(ev.ctx) : cb());
return;
case 1: while (++i < l)
(ev = events[i],
cb = ev.callback,
ev.bind ? cb.call(ev.ctx, a1) : cb(a1));
return;
case 2: while (++i < l)
(ev = events[i],
cb = ev.callback,
ev.bind ? cb.call(ev.ctx, a1, a2) : cb(a1, a2));
return;
case 3: while (++i < l)
(ev = events[i],
cb = ev.callback,
ev.bind ? cb.call(ev.ctx, a1, a2, a3) : cb(a1, a2, a3));
return;
default: while (++i < l)
(ev = events[i]).callback.apply(ev.ctx, args);
}
};
bbAltEvents.bind = bbAltEvents.on = function(name, callback, context) {
if (!eventsApi(this, 'on', name, [callback, context]) || !callback) return this;
this._events || (this._events = {});
var events = this._events[name] || (this._events[name] = []);
var ctx = reThis.test(callback) ? context || this : undefined;
events.push({callback: callback, context: context, ctx: ctx, bind: ctx !== undefined});
return this;
};
bbAltEvents.trigger = function(name) {
if (!this._events) return this;
var args = slice.call(arguments, 1);
if (!eventsApi(this, 'trigger', name, args)) return this;
var events = this._events[name];
var allEvents = this._events.all;
if (events) triggerEvents(events, args);
if (allEvents) triggerEvents(allEvents, arguments);
return this;
};
}());
</script>
var jq = jQuery({});
var bb053 = _.extend({x:0}, bb053Events);
var bb092 = _.extend({x:0}, bb092Events);
var bb100 = _.extend({x:0}, bb100Events);
var bbAlt = _.extend({x:0}, bbAltEvents);
var exos = _.extend({x:0}, exosEvents);
var numEvents = 3;
var numListeners = 100;
var objs = [jq, bb053, bb092, bb100, bbAlt, exos];
_.times(numEvents, function (n) {
_.times(numListeners, function () {
_.each(objs, function(obj) {
obj.bind('event' + n, function() { obj.x++; });
});
});
});
Ready to run.
Test | Ops/sec | |
---|---|---|
jQuery 1.9.1 |
| ready |
Backbone 0.5.3 |
| ready |
Backbone 0.9.2 |
| ready |
Backbone 1.0.0 |
| ready |
Backbone Alt |
| ready |
Exoskeleton |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.