DOM Templating

JavaScript performance comparison

Revision 463 of this test case created by stepanj

Info

Illustrate how much time string-based template engines use executing browsers HTML parser.

Optimizing string interpolation performance is focusing to 10% of the problem, not the 90%.

Preparation code

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

<script src="http://github.com/janl/mustache.js/raw/master/mustache.js"></script>

<script src="https://github.com/downloads/paul/handlebars.js/handlebars.js"></script>

<script src="//twitter.github.com/hogan.js/builds/1.0.5/hogan-1.0.5.js"></script>

<script>
  window.mustacheTemplate = "<div><h1 class='header'>{{header}}</h1><h2 class='header2'>{{header2}}</h2><h3 class='header3'>{{header3}}</h3><h4 class='header4'>{{header4}}</h4><h5 class='header5'>{{header5}}</h5><h6 class='header6'>{{header6}}</h6><ul class='list'>{{#list}}<li class='item'>{{.}}</li>{{/list}}</ul></div>";
 
  window.handlebarsTemplate = Handlebars.compile("<div><h1 class='header'>{{header}}</h1><h2 class='header2'>{{header2}}</h2><h3 class='header3'>{{header3}}</h3><h4 class='header4'>{{header4}}</h4><h5 class='header5'>{{header5}}</h5><h6 class='header6'>{{header6}}</h6><ul class='list'>{{#list}}<li class='item'>{{this}}</li>{{/list}}</ul></div>");
 
  window.hoganTemplate = Hogan.compile("<div><h1 class='header'>{{header}}</h1><h2 class='header2'>{{header2}}</h2><h3 class='header3'>{{header3}}</h3><h4 class='header4'>{{header4}}</h4><h5 class='header5'>{{header5}}</h5><h6 class='header6'>{{header6}}</h6><ul class='list'>{{#list}}<li class='item'>{{.}}</li>{{/list}}</ul></div>");

  window.sharedVariables = {
   header: "Header",
   header2: "Header2",
   header3: "Header3",
   header4: "Header4",
   header5: "Header5",
   header6: "Header6",
   list: ['10000000', '2', '3', '4', '5', '6', '7', '8', '9', '10']
  };
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
DOM - Mustache.js Template
$(Mustache.to_html(mustacheTemplate, sharedVariables));
++sharedVariables.list[0];
 
pending…
DOM - Twitter's Hogan.js
$(hoganTemplate.render(sharedVariables));
++sharedVariables.list[0];
 
pending…
DOM - Handlebars.js
$(handlebarsTemplate(sharedVariables));
++sharedVariables.list[0];
 
pending…
HTML - Mustache.js Template
Mustache.to_html(mustacheTemplate, sharedVariables);
++sharedVariables.list[0];
 
pending…
HTML - Twitter's Hogan.js
hoganTemplate.render(sharedVariables);
++sharedVariables.list[0];
 
pending…
HTML - DOM - Handlebars.js
handlebarsTemplate(sharedVariables)
++sharedVariables.list[0];
pending…

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