test.html

<script src="benchmark.js"></script>
<script src="filter2.js"></script>
<script src="filter3.js"></script>

<script type="text/javascript">
    var testCase = [{
        msg1: {from: 'jack@example.com', to: 'jill@example.org'},
        msg2: {from: 'noreply@spam.com', to: 'jill@example.org'},
        msg3: {from: 'boss@work.com', to: 'jack@example.com'},
        msg4: {from: 'jack@example.com', to: 'jill@example.org'},
        msg5: {from: 'noreply@spam.com', to: 'jill@example.org'},
        msg6: {from: 'boss@work.com', to: 'jack@example.com'},
        msg7: {from: 'jack@example.com', to: 'jill@example.org'},
        msg8: {from: 'noreply@spam.com', to: 'jfg@fdsfsd.org'},
        msg9: {from: 'boss@work.com', to: 'jack@example.com'},
        msg10: {from: 'jack@example.com', to: 'jill@dddd.org'},
        msg11: {from: 'noreply@spam.com', to: 'ddsa@ggfgdf.org'},
        msg12: {from: 'boss@work.com', to: 'jack@example.com'}
    }, [
        {from: '*@work.com', action: 'tag work'},
        {from: '*@spam.com', action: 'tag spam'},
        {from: 'jack@example.com', to: 'jill@example.org', action: 'folder jack'},
        {to: 'jill@example.org', action: 'forward to jill@elsewhere.com'}
    ]]

    var suite = new Benchmark.Suite;

    // add tests
    suite
        .add('Filter3', function() {
            filter3.apply(this, testCase);
        })
        .add('Filter2', function() {
            filter2.apply(this, testCase);
        })
        // add listeners
        .on('cycle', function(event) {
          console.log(String(event.target));
        })
        .on('complete', function() {
          console.log('Fastest is ' + this.filter('fastest').pluck('name'));
        })
        // run async
        .run({ 'async': true });
</script>