teste if jquery and javascript

JavaScript performance comparison

Test case created by Jonathan

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="js"></div>
<div class="ja"></div>
<div class="ja"></div>
<div class="ja"></div>
<div class="ja"></div>
<script>
Benchmark.prototype.setup = function() {
    var i = 0;
    var js = document.getElementById(js);
    var head = document.getElementsByTagName("head")[0];
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
teste com if jquery
if ($("#js").length) {
                //
               
            }else{
                //
            }
pending…
test com javascript
if (document.getElementById("js")) {
    $.getScript("js/jquery.tweet.js", function(){
               
                   

                });
}else{
//
}
pending…

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