htmlEncodeRegEx (v5)

Revision 5 of this benchmark created 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 tempElement = $(document.createElement("div"));
    
    var arr = [
      [/&/g, '&amp;'],
      [/'/g, '&#39;'],
      [/"/g, '&quot;'],
      [/</g, '&lt;'],
      [/>/g, '&gt;']
    ];
    var better_map_fn = function(c) {
      return map[c];
    };
    var el_10 = document.createElement('div');

Test runner

Ready to run.

Testing in
TestOps/sec
multiple replace()
return html.replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
ready
single replace with map
return html.replace(/[&"'\<\>]/g, function(c) {
  return map[c];
});
ready
single replace with switch
return html.replace(/[&"'\<\>]/g, function(c) {
  switch (c) {
  case "&":
    return "&amp;";
  case "'":
    return "&#39;";
  case '"':
    return "&quot;";
  case "<":
    return "&lt;";
  case ">":
    return "&gt;";
  }

});
ready
use jQuery
return $('<div/>').text(html).html();
ready
use jQuery with pre-created element
return tempElement.text(html).html();
ready
string replace with array map
var t, i, _html = html;
for(var t, i = 0; t = arr[i]; i++) {
  _html = _html.replace(t[0], t[1]);
}
return _html;
ready
ternary replace
return html.replace(/[&"'\<\>]/g,(a == "<") ? a="&lt;" : ((a == ">") ? a="&gt;" : ((a == "\"") ? a="&quot;" : (a == "\'") ? a='&#39;' : (a == "\&") ? a="&amp;" : a=a)));
ready
vanilla element method
var el = document.createElement('div');
el.appendChild(document.createTextNode(html));
return el.innerHTML;
ready
vanilla element method, with precreated element
el_10.innerHTML = '';
el_10.appendChild(document.createTextNode(html));
return el_10.innerHTML;
ready
convert to character code entities
html.replace(/[&<>'"]/g, function(c) {
  return '&#'+c.charCodeAt(0)+';';
});
ready

Revisions

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