Hadlebars vs. Hogan vs. Mustache vs. jsRender vs Dust vs Underscore

JavaScript performance comparison

Revision 35 of this test case created

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

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

<script src="http://mustache.github.io/extras/mustache.js"></script>

<script src="https://github.com/downloads/wycats/handlebars.js/handlebars-1.0.rc.1.min.js"></script>

<script src="http://jsdo.it/kyo_ago/6M93/js"></script>

<script src="http://rawgithub.com/linkedin/dustjs/master/dist/dust-full-2.2.3.js"></script>

<script src="http://borismoore.github.io/jsrender/jsrender.js"></script>

<script src="http://twitter.github.com/hogan.js/builds/2.0.0/hogan-2.0.0.js"></script>

<script src="http://underscorejs.org/underscore-min.js"></script>

<script src="http://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.3.0/lodash.min.js"></script>

<script>
  window.mustacheTemplate = "<div>{{template}}<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>{{template}}<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>{{template}}<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.templateTemplate = "<div><{template}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'>{{loop list}}<li class='item'>{{this}}</li>{{/loop}}</ul></div>";

  $.templates({ jsRenderTemplate: "<div>{{:template}}<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'>{{for list}}<li class='item'>{{:#data}}</li>{{/for}}</ul></div>"});

  dust.loadSource(dust.compile("<div>{template}<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>", "intro"));

  window.underscoreTemplate = _.template("<div><%=template%><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'><%for(var i in list){%><li class='item'><%=list[i]%></li><% } %></ul></div>");

  window.lodashTemplate = _.template("<div><%=template%><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'><%for(var i in list){%><li class='item'><%=list[i]%></li><% } %></ul></div>");

  window.preUnderscoreLodashTemplate = function(obj) {
obj || (obj = {});
var __t, __p = '', __e = _.escape, __j = Array.prototype.join;
function print() { __p += __j.call(arguments, '') }
with (obj) {
__p += '<div>' +
((__t = (template)) == null ? '' : __t) +
'<h1 class=\'header\'>' +
((__t = (header)) == null ? '' : __t) +
'</h1><h2 class=\'header2\'>' +
((__t = (header2)) == null ? '' : __t) +
'</h2><h3 class=\'header3\'>' +
((__t = (header3)) == null ? '' : __t) +
'</h3><h4 class=\'header4\'>' +
((__t = (header4)) == null ? '' : __t) +
'</h4><h5 class=\'header5\'>' +
((__t = (header5)) == null ? '' : __t) +
'</h5><h6 class=\'header6\'>' +
((__t = (header6)) == null ? '' : __t) +
'</h6><ul class=\'list\'>';
for(var i in list){;
__p += '<li class=\'item\'>' +
((__t = (list[i])) == null ? '' : __t) +
'</li>';
 } ;
__p += '</ul></div>';

}
return __p
};

window.preHandlebarsTemplate = Handlebars.template(function(Handlebars, depth0, helpers, partials, data) {
        this.compilerInfo = [4, '>= 1.0.0'];
        data = data || {}; return "<div><%=template%><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'><%for(var i in list){%><li class='item'><%=list[i]%></li><% } %></ul></div>";
});

</script>
<script>
Benchmark.prototype.setup = function() {
      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']
      };
   
    var target = document.getElementById('target');
};

Benchmark.prototype.teardown = function() {
    target.innerHTML = '';
};
</script>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
DOM - Mustache.js Template
sharedVariables.template = 'Mustache.js';
target.innerHTML = Mustache.to_html(mustacheTemplate, sharedVariables);
++sharedVariables.list[0];
pending…
DOM - Twitter's Hogan.js
sharedVariables.template = 'Hogan.js';
target.innerHTML = hoganTemplate.render(sharedVariables);
++sharedVariables.list[0];
pending…
DOM - Handlebars.js
sharedVariables.template = 'Handlebars.js';
target.innerHTML = handlebarsTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
DOM - jsRender
sharedVariables.template = 'jsRender';
target.innerHTML = $.render.jsRenderTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
DOM - dust.js
// async test
sharedVariables.template = 'dust.js';
dust.render("intro", sharedVariables, function(err, out) {
  target.innerHTML = out;
  deferred.resolve();
});
++sharedVariables.list[0];
pending…
DOM - template.js
sharedVariables.template = 'template.js';
target.innerHTML = template(templateTemplate, sharedVariables);
++sharedVariables.list[0];
pending…
Underscore
sharedVariables.template = 'underscore.js';
target.innerHTML = window.underscoreTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
Lodash
sharedVariables.template = 'lodash.js';
target.innerHTML = window.lodashTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
underscore.js precompiled
sharedVariables.template = 'underscore.js precompiled';
target.innerHTML = window.preUnderscoreLodashTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
lodash.js precompiled
sharedVariables.template = 'lodash.js precompiled';
target.innerHTML = window.preUnderscoreLodashTemplate(sharedVariables);
++sharedVariables.list[0];
pending…
handlebars.js precompiled
sharedVariables.template = 'handlebars.js precompiled';
target.innerHTML = window.preHandlebarsTemplate(sharedVariables);
++sharedVariables.list[0];
pending…

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