JavaScript template language shootoff

JavaScript performance comparison

Revision 316 of this test case created by Jens Roland

Preparation code

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

<script src="http://documentcloud.github.com/underscore/underscore.js"></script>

<!--NOTE: Need to load from CDNJS since GitHub uses text/plain MIME type, which is blocked in IE9-->
<!--<script src="http://github.com/janl/mustache.js/raw/master/mustache.js"></script>-->
<script src="http://ajax.cdnjs.com/ajax/libs/mustache.js/0.3.0/mustache.min.js"></script>

<script src="https://github.com/downloads/wycats/handlebars.js/handlebars.1.0.0.beta.3.js"></script>

<script src="http://cdn.kendostatic.com/2011.2.804/js/kendo.all.min.js"></script>

<script src="http://jashkenas.github.com/coffee-script/extras/coffee-script.js"></script>

<!--NOTE: Need to load from MSFT CDN since GitHub uses text/plain MIME type, which is blocked in IE9-->
<!--<script src="http://github.com/jquery/jquery-tmpl/raw/master/jquery.tmpl.min.js"></script>-->
<script src="http://ajax.microsoft.com/ajax/jquery.templates/beta1/jquery.tmpl.min.js"></script>

<!--External Template Definitions-->
<script type="text/x-kendo-template" id="kendoUIextTemplate">
<div>
<h1 class='header'><#= data.header #></h1>
<h2 class='header2'><#= data.header2 #></h2>
<h3 class='header3'><#= data.header3 #></h3>
<h4 class='header4'><#= data.header4 #></h4>
<h5 class='header5'><#= data.header5 #></h5>
<h6 class='header6'><#= data.header6 #></h6>
<ul class='list'>
   <# for (var i = 0, l = data.list.length; i < l; i++) { #>
   <li class='item'><#= data.list[i] #></li>
   <# } #>
</ul>
</div>
</script>
<script>
  window.sharedVariables = {
   header: "Header",
   header2: "Header2",
   header3: "Header3",
   header4: "Header4",
   header5: "Header5",
   header6: "Header6",
   list: ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10']
  };

  window.sharedVariables2 = {
   header: "Header",
   header2: "Header2",
   header3: "Header3",
   header4: "Header4",
   header5: "Header5",
   header6: "Header6",
   list: [{i:'1'}, {i:'2'}, {i:'3'}, {i:'4'}, {i:'5'}, {i:'6'}, {i:'7'}, {i:'8'}, {i:'9'}, {i:'10'}]
  };  


  window.jQueryTemplate = $.template(null, "<div><h1 class='header'>{{html header}}</h1><h2 class='header2'>{{html header2}}</h2><h3 class='header3'>{{html header3}}</h3><h4 class='header4'>{{html header4}}</h4><h5 class='header5'>{{html header5}}</h5><h6 class='header6'>{{html header6}}</h6><ul class='list'>{{each list}}<li class='item'>{{html $value}}</li>{{/each}}</ul></div>");
  
  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'>{{#each list}}<li class='item'>{{this}}</li>{{/each}}</ul></div>");
  
  window.kendouiTemplate = kendo.template("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>", {useWithBlock:true});
  
  window.kendouiTemplate2 = kendo.template("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>", {useWithBlock:false});
  
  //Use external template definition
  window.kendoUIAlt = kendo.template($("#kendoUIextTemplate").html());
  window.kendoUIAlt2 = kendo.template($("#kendoUIextTemplate").html(), {useWithBlock:false});
  
  window.underscoreTemplate = _.template("<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'><% for (var i = 0, l = list.length; i < l; i++) { %><li class='item'><%= list[i] %></li><% } %></ul></div>");
  
  window.baseHtml = "<div><h1 class='header'></h1><h2 class='header2'></h2><h3 class='header3'></h3><h4 class='header4'></h4><h5 class='header5'></h5><h6 class='header6'></h6><ul class='list'><li class='item'></li></ul></div>";
  
  //Resig Template Function (modified to support ')
  function tmpl(str) {
              var strFunc =
              "var p=[];" +
                          "with(obj){p.push('" +
  
              str.replace(/[\r\t\n]/g, " ")
                 .replace(/'(?=[^#]*#>)/g, "\t")
                 .split("'").join("\\'")
                 .split("\t").join("'")
                 .replace(/<#=(.+?)#>/g, "',$1,'")
                 .split("<#").join("');")
                 .split("#>").join("p.push('")
                 + "');}return p.join('');";
  
              return new Function("obj", strFunc);
          }
  
  window.resig = tmpl("<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'><# for (var i = 0, l = list.length; i < l; i++) { #><li class='item'><#= list[i] #></li><# } #></ul></div>");
  
  //Resig modified template function (no "with" block)
  function tmpl2(str) {
              var strFunc =
              "var p=[];" +
                          "p.push('" +
  
              str.replace(/[\r\t\n]/g, " ")
                 .replace(/'(?=[^#]*#>)/g, "\t")
                 .split("'").join("\\'")
                 .split("\t").join("'")
                 .replace(/<#=(.+?)#>/g, "',$1,'")
                 .split("<#").join("');")
                 .split("#>").join("p.push('")
                 + "');return p.join('');";
  
              return new Function("data", strFunc);
          }
  
  window.resig2 = tmpl2("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>");



window.T2template = (function () {

	var simple_compile = function(obj,tmpl,subtmpl){
		// If obj is an array, iterate and recurse
		if (Object.prototype.toString.call(obj) === '[object Array]') {
			var r = '';
			for(var a in obj) r += simple_compile(obj[a],tmpl,subtmpl);
			return r;
		// Otherwise, compile using obj
		} else {
			return tmpl.replace(/\{([^\{\}]*)\}/g,
				function(a,b){
					// Subtemplate found, recurse
					if (b.substring(0,1)=='@') {
						b = b.substring(1);
						var subt = subtmpl[b],
							subarray = obj[b];
						return (typeof subt === 'string' && Object.prototype.toString.call(subarray) === '[object Array]') ? simple_compile(subarray,subt,subtmpl) : a;
					}
					// Simple string substitution
					var r = obj[b];
					return (typeof r === 'string' || typeof r === 'number') ? r : a;
				}
			);
		}
	};

	var logic_eval = function(str,obj,tmpl,index,total) {
		// find pseudo function
		var tokens = str.split(/[\(,\)]/),
			func = tokens.shift();
		switch(func) {
			case 'exists':
				for(var t in tokens) {
					if (!obj[tokens[t]]) return false;
				}
				return true;
			case 'first':
				return (index==0);
			case 'middle':
				return (index>0 && index<(total-1));
			case 'last':
				return (index==total-1);
		}
		return false;
	};

	var logic_compile = function(obj,tmpl,subtmpl,index,total){
		// If obj is an array, iterate and recurse
		if (Object.prototype.toString.call(obj) === '[object Array]') {
			var r = '',
				l = obj.length;
			for(var a in obj) r += logic_compile(obj[a],tmpl,subtmpl,parseInt(a,10),l);
			return r;
		// Otherwise, compile using obj
		} else {
			return tmpl.replace(/\{([^\{\}]*)\}/g,
				function(a,b){
					// Subtemplate found, recurse
					if (b.substring(0,1)=='@') {
						b = b.substring(1);
						var subt = subtmpl[b],
							subarray = obj[b];
						return (typeof subt === 'string' && Object.prototype.toString.call(subarray) === '[object Array]') ? logic_compile(subarray,subt,subtmpl,index,total) : a;
					// Branching condition found, evaluate
					} else if (b.substring(0,1)=='?') {
						if (logic_eval(b.substring(1),obj,tmpl,index,total))
							return '{!+}';
						else
							return '{!-}';
					}
					// Simple string substitution
					var r = obj[b];
					return (typeof r === 'string' || typeof r === 'number') ? r : a;
				}
			).replace(/\{\!\-\}.+?\{\/\?\}/g,'').replace(/\{\!\+\}(.+?)\{\/\?\}/g,'$1');
		}
	};

	var exports = {
		compile: function(tmpl,obj){
			var base_template = tmpl._,
				subtemplates = tmpl;
			return logic_compile(obj,base_template,subtemplates,1,1);
		},
    s_compile: function(tmpl,obj){
			var base_template = tmpl._,
				subtemplates = tmpl;
			return simple_compile(obj,base_template,subtemplates);
		}
	};
	return exports;
})();

window.T2tmpl={
_: "<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}</ul></div>",
list: "<li class='item'>{i}</li>"
};

</script>
    

Preparation code output

<script src="http://documentcloud.github.com/underscore/underscore.js"></script> <!--NOTE: Need to load from CDNJS since GitHub uses text/plain MIME type, which is blocked in IE9--> <!--<script src="http://github.com/janl/mustache.js/raw/master/mustache.js"></script>--> <script src="http://ajax.cdnjs.com/ajax/libs/mustache.js/0.3.0/mustache.min.js"></script> <script src="https://github.com/downloads/wycats/handlebars.js/handlebars.1.0.0.beta.3.js"></script> <script src="http://cdn.kendostatic.com/2011.2.804/js/kendo.all.min.js"></script> <script src="http://jashkenas.github.com/coffee-script/extras/coffee-script.js"></script> <!--NOTE: Need to load from MSFT CDN since GitHub uses text/plain MIME type, which is blocked in IE9--> <!--<script src="http://github.com/jquery/jquery-tmpl/raw/master/jquery.tmpl.min.js"></script>--> <script src="http://ajax.microsoft.com/ajax/jquery.templates/beta1/jquery.tmpl.min.js"></script> <!--External Template Definitions--> <script type="text/x-kendo-template" id="kendoUIextTemplate"> <div> <h1 class='header'><#= data.header #></h1> <h2 class='header2'><#= data.header2 #></h2> <h3 class='header3'><#= data.header3 #></h3> <h4 class='header4'><#= data.header4 #></h4> <h5 class='header5'><#= data.header5 #></h5> <h6 class='header6'><#= data.header6 #></h6> <ul class='list'> <# for (var i = 0, l = data.list.length; i < l; i++) { #> <li class='item'><#= data.list[i] #></li> <# } #> </ul> </div> </script> <script> window.sharedVariables = { header: "Header", header2: "Header2", header3: "Header3", header4: "Header4", header5: "Header5", header6: "Header6", list: ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'] }; window.sharedVariables2 = { header: "Header", header2: "Header2", header3: "Header3", header4: "Header4", header5: "Header5", header6: "Header6", list: [{i:'1'}, {i:'2'}, {i:'3'}, {i:'4'}, {i:'5'}, {i:'6'}, {i:'7'}, {i:'8'}, {i:'9'}, {i:'10'}] }; window.jQueryTemplate = $.template(null, "<div><h1 class='header'>{{html header}}</h1><h2 class='header2'>{{html header2}}</h2><h3 class='header3'>{{html header3}}</h3><h4 class='header4'>{{html header4}}</h4><h5 class='header5'>{{html header5}}</h5><h6 class='header6'>{{html header6}}</h6><ul class='list'>{{each list}}<li class='item'>{{html $value}}</li>{{/each}}</ul></div>"); window.mustacheTemplate = "<div><h1 class='header'>{{{header}}}</h1><h2 class='header2'>{{{header2}}}</h2><h3 class='header3'>{{{header3}}}</h3><h4 class='header4'>{{{header4}}}</h4><h5 class='header5'>{{{header5}}}</h5><h6 class='header6'>{{{header6}}}</h6><ul class='list'>{{#list}}<li class='item'>{{{.}}}</li>{{/list}}</ul></div>"; window.handlebarsTemplate = Handlebars.compile("<div><h1 class='header'>{{header}}</h1><h2 class='header2'>{{header2}}</h2><h3 class='header3'>{{header3}}</h3><h4 class='header4'>{{header4}}</h4><h5 class='header5'>{{header5}}</h5><h6 class='header6'>{{header6}}</h6><ul class='list'>{{#each list}}<li class='item'>{{this}}</li>{{/each}}</ul></div>"); window.kendouiTemplate = kendo.template("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>", {useWithBlock:true}); window.kendouiTemplate2 = kendo.template("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>", {useWithBlock:false}); //Use external template definition window.kendoUIAlt = kendo.template($("#kendoUIextTemplate").html()); window.kendoUIAlt2 = kendo.template($("#kendoUIextTemplate").html(), {useWithBlock:false}); window.underscoreTemplate = _.template("<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'><% for (var i = 0, l = list.length; i < l; i++) { %><li class='item'><%= list[i] %></li><% } %></ul></div>"); window.baseHtml = "<div><h1 class='header'></h1><h2 class='header2'></h2><h3 class='header3'></h3><h4 class='header4'></h4><h5 class='header5'></h5><h6 class='header6'></h6><ul class='list'><li class='item'></li></ul></div>"; //Resig Template Function (modified to support ') function tmpl(str) { var strFunc = "var p=[];" + "with(obj){p.push('" + str.replace(/[\r\t\n]/g, " ") .replace(/'(?=[^#]*#>)/g, "\t") .split("'").join("\\'") .split("\t").join("'") .replace(/<#=(.+?)#>/g, "',$1,'") .split("<#").join("');") .split("#>").join("p.push('") + "');}return p.join('');"; return new Function("obj", strFunc); } window.resig = tmpl("<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'><# for (var i = 0, l = list.length; i < l; i++) { #><li class='item'><#= list[i] #></li><# } #></ul></div>"); //Resig modified template function (no "with" block) function tmpl2(str) { var strFunc = "var p=[];" + "p.push('" + str.replace(/[\r\t\n]/g, " ") .replace(/'(?=[^#]*#>)/g, "\t") .split("'").join("\\'") .split("\t").join("'") .replace(/<#=(.+?)#>/g, "',$1,'") .split("<#").join("');") .split("#>").join("p.push('") + "');return p.join('');"; return new Function("data", strFunc); } window.resig2 = tmpl2("<div><h1 class='header'><#= data.header #></h1><h2 class='header2'><#= data.header2 #></h2><h3 class='header3'><#= data.header3 #></h3><h4 class='header4'><#= data.header4 #></h4><h5 class='header5'><#= data.header5 #></h5><h6 class='header6'><#= data.header6 #></h6><ul class='list'><# for (var i = 0, l = data.list.length; i < l; i++) { #><li class='item'><#= data.list[i] #></li><# } #></ul></div>"); window.T2template = (function () { var simple_compile = function(obj,tmpl,subtmpl){ // If obj is an array, iterate and recurse if (Object.prototype.toString.call(obj) === '[object Array]') { var r = ''; for(var a in obj) r += simple_compile(obj[a],tmpl,subtmpl); return r; // Otherwise, compile using obj } else { return tmpl.replace(/\{([^\{\}]*)\}/g, function(a,b){ // Subtemplate found, recurse if (b.substring(0,1)=='@') { b = b.substring(1); var subt = subtmpl[b], subarray = obj[b]; return (typeof subt === 'string' && Object.prototype.toString.call(subarray) === '[object Array]') ? simple_compile(subarray,subt,subtmpl) : a; } // Simple string substitution var r = obj[b]; return (typeof r === 'string' || typeof r === 'number') ? r : a; } ); } }; var logic_eval = function(str,obj,tmpl,index,total) { // find pseudo function var tokens = str.split(/[\(,\)]/), func = tokens.shift(); switch(func) { case 'exists': for(var t in tokens) { if (!obj[tokens[t]]) return false; } return true; case 'first': return (index==0); case 'middle': return (index>0 && index<(total-1)); case 'last': return (index==total-1); } return false; }; var logic_compile = function(obj,tmpl,subtmpl,index,total){ // If obj is an array, iterate and recurse if (Object.prototype.toString.call(obj) === '[object Array]') { var r = '', l = obj.length; for(var a in obj) r += logic_compile(obj[a],tmpl,subtmpl,parseInt(a,10),l); return r; // Otherwise, compile using obj } else { return tmpl.replace(/\{([^\{\}]*)\}/g, function(a,b){ // Subtemplate found, recurse if (b.substring(0,1)=='@') { b = b.substring(1); var subt = subtmpl[b], subarray = obj[b]; return (typeof subt === 'string' && Object.prototype.toString.call(subarray) === '[object Array]') ? logic_compile(subarray,subt,subtmpl,index,total) : a; // Branching condition found, evaluate } else if (b.substring(0,1)=='?') { if (logic_eval(b.substring(1),obj,tmpl,index,total)) return '{!+}'; else return '{!-}'; } // Simple string substitution var r = obj[b]; return (typeof r === 'string' || typeof r === 'number') ? r : a; } ).replace(/\{\!\-\}.+?\{\/\?\}/g,'').replace(/\{\!\+\}(.+?)\{\/\?\}/g,'$1'); } }; var exports = { compile: function(tmpl,obj){ var base_template = tmpl._, subtemplates = tmpl; return logic_compile(obj,base_template,subtemplates,1,1); }, s_compile: function(tmpl,obj){ var base_template = tmpl._, subtemplates = tmpl; return simple_compile(obj,base_template,subtemplates); } }; return exports; })(); window.T2tmpl={ _: "<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}</ul></div>", list: "<li class='item'>{i}</li>" }; </script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Mustache.js Template
Mustache.to_html(mustacheTemplate, sharedVariables);
pending…
jQuery Templates
jQueryTemplate($, {
 data: sharedVariables
}).join("");
pending…
Kendo UI Templates (Default)
kendouiTemplate(sharedVariables);
pending…
Kendo UI Templates (No "with" block)
kendouiTemplate2(sharedVariables)
pending…
Kendo UI Templates (External Temp Def)
kendoUIAlt(sharedVariables);
pending…
Kendo UI Templates (External Temp Def - No "with" block))
kendoUIAlt2(sharedVariables);
pending…
Handlebars.js
handlebarsTemplate(sharedVariables);
pending…
Underscore.js Template
underscoreTemplate(sharedVariables);
pending…
Resig Micro Templates (modified)
resig(sharedVariables)
pending…
Resig Micro Templates (No "with" block)
resig2(sharedVariables)
pending…
T2 template (simple)
T2template.s_compile(T2tmpl,sharedVariables2)
pending…
T2 template (with logic)
T2template.compile(T2tmpl,sharedVariables2)
pending…

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