Preparation code

<script src="//cloud.github.com/downloads/wycats/handlebars.js/handlebars-1.0.rc.1.js">
</script>
<script src="//underscorejs.org/underscore-min.js">
</script>
<script>
  Benchmark.prototype.setup = function() {
    var optionTemplateString = '{{#each options}}<option value="{{value}}">{{label}}</option>{{/each}}';
    var optionTemplate = Handlebars.compile(optionTemplateString);
    
    target = {
      options: []
    };
    resultRegex = /^<option.*<\/option>$/;
    var pad = function(number, length) {
        var str = '' + number;
        while (str.length < length) {
          str = '0' + str;
        }
        }
        
        
        
    var suffix = '';
    for (var i = 0; i < 1000; i++) {
      suffix = pad(i, 5);
      target.options.push({
        value: 'foo' + suffix,
        label: 'bar' + suffix
      });
    }
  };

  Benchmark.prototype.teardown = function() {
    if (!resultRegex.test(result)) {
      throw new Error('Unexpected output');
    }
  };
</script>

Preparation code output

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result = Handlebars.compile('{{#each options}}' + Handlebars.compile(optionTemplateString) + '{{/each}}')(target);

var options = target.options;
var length = options.length;
result = '';
for (var i = 0; i < length; i++) {
  result += optionTemplate(options[i]);
}

var options = target.options;
var length = options.length;
result = [];
for (var i = 0; i < length; i++) {
  result.push(optionTemplate(options[i]));
}
result = result.join('');

result = _.map(target.options, optionTemplate).join('');

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 18th October 2012
• Revision 2: published on 19th October 2012
• Revision 3: published on 23rd October 2012
• Revision 4: published by Alpha on 21st January 2013
• Revision 5: published by Alpha on 21st January 2013

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