concat-or-replace

JavaScript performance comparison

Revision 2 of this test case created

Info

concat string or reg replace, which is faster

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
      function simpleSplice (tpl, data) {
                var tplStr = $.trim(tpl) || "",
                    data = data || {},
                    re;
                for (var key in data) {
                    if(data.hasOwnProperty(key)) {
                        // <rowValue /> and ${rowValue}
                        re = new RegExp("<" + key + "\\s*\\/>|\\$\\{" + key + "\\}","g");
                        tplStr = tplStr.replace(re, data[key]);
                    }
                }
                return tplStr;
            }
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
test1
var id = 11111;

var html = "<a  data-id='"
             + id
             + "'>View pdf files</a>";
pending…
test2
var data = {id : 11111};

var str = "<a  data-id='${id}'>View pdf files</a>",
    html = simpleSplice(str, data);
pending…

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