htmlEncode (v52)

Revision 52 of this benchmark created by hoochieminh on

Preparation HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

Setup

var html = document.body.innerHTML;
  var map = {
    "&": "&amp;",
    "'": "&#39;",
    '"': "&quot;",
    "<": "&lt;",
    ">": "&gt;"
  };
  var tempJqElement = $(document.createElement("div"));
  var tempElement = document.createElement("div");
  
  function replace_with_switch(c) {
    switch (c) {
    case "&":
      return "&amp;";
    case "'":
      return "&#39;";
    case '"':
      return "&quot;";
    case "<":
      return "&lt;";
    case ">":
      return "&gt;";
    }
  }
  
  function replace_with_map(c) {
    return map[c];
  }
  
  function replace_charcode(c) {
    return '&#'+c.charCodeAt(0)+';';
  }
  
  var re_all = /[&"'\<\>]/g;
  var re_amp = /&/g;
  var re_quot = /"/g;
  var re_apos = /'/g;
  var re_lt = /</g;
  var re_gt = />/g;
  
  var re_arr = [
    [re_amp, '&amp;'],
    [re_quot, '&quot;'],
    [re_apos, '&#39;'],
    [re_lt, '&lt;'],
    [re_gt, '&gt;']
  ];
  
  var encodeCustom=function(input){
  	if (!input){
  		return input;
  	}
  	var out=[];
  	var slice=-1;
  	for (var i=0;i<input.length;++i){
  		var code=input.charCodeAt(i);
  		if (code>127){
  			out.push(input.slice(slice+1,i));
  			out.push('&#'+code+';');
  			slice=i;continue;;
  		}
  		switch (input.charCodeAt(i)){
  			case 38:
  				out.push(input.slice(slice+1,i));
  				out.push('&amp;');
  				slice=i;
  				break;
  			
  			case 39:
  				out.push(input.slice(slice+1,i));
  				out.push('&#39;');
  				slice=i;
  			
  			case 34:
  				out.push(input.slice(slice+1,i));
  				out.push('&quote;');
  				slice=i;
  				break;
  			
  			case 60:
  				out.push(input.slice(slice+1,i));
  				out.push('&lt;');
  				slice=i;
  				break;
  			
  			case 62:
  				out.push(input.slice(slice+1,i));
  				out.push('&gt;');
  				slice=i;
  				break;
  			
  			
  		}
  	}
  	if (slice<input.length){
  		out.push(input.slice(slice+1));
  	}
  	return out.join('');
  };

Test runner

Ready to run.

Testing in
TestOps/sec
multiple replace()
return (html).replace(re_amp, '&amp;').replace(re_quot, '&quot;').replace(re_apos, '&#39;').replace(re_lt, '&lt;').replace(re_gt, '&gt;');
ready
single replace with map
return (html).replace(re_all, replace_with_map);
ready
single replace with switch
return (html).replace(re_all, replace_with_switch);
ready
createTextNode
var el = document.createElement('div');
el.appendChild(document.createTextNode(html));
return el.innerHTML;
ready
use jQuery with pre-created element
return tempJqElement.text(html).html();
ready
using textContent/innerText with precreated element
tempElement.innerText = tempElement.textContent = html;
return tempElement.innerHTML;
ready
new Option
return new Option(html).innerHTML;
ready
createTextNode with precreated element
tempElement.innerHTML = '';
tempElement.appendChild(document.createTextNode(html));
return tempElement.innerHTML;
ready
multiple replace using array
var t, i, _html = html;
for(var t, i = 0; t = re_arr[i]; i++) {
  _html = _html.replace(t[0], t[1]);
}
return _html;
ready
convert to charCode entities
html.replace(re_all, replace_charcode);
ready
Split and join
return html.split("<").join("&lt;").split(">").join("&gt;").split('"').join("&#34;").split("'").join("&#39;");
ready
.replace
String(html).replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/\"/g, "&quot;").replace(/\"/g, "&#039;")
ready
jquery
$(document.createElement("div")).text(html).html().replace(/\"/g, '&quot;')
ready
custom
encodeCustom(html);
ready

Revisions

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