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JavaScript performance comparison

Test case created by Someone

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = "This is a text string. placholder Some more text. placeholder more. place jeor gjoregj oire placeholder";
};

Benchmark.prototype.teardown = function() {
    alert(str);
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
regex
var replaced = str.replace(/placeholder/g, "replaced!!!");
pending…
noregex
var replaced = str.split("placeholder").join("replaced!!!");
pending…

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