is empty string

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = "";
};
</script>

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Testing in unknown unknown
Test Ops/sec
length
if (str.length) {

}
pending…
type casting
if (str) {

}
pending…
equality
if (str !== "") {

}
pending…
len
if (str.length > 0) {

}
pending…

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