15 lines
452 B
JavaScript
15 lines
452 B
JavaScript
// Runs a function many times without the function call overhead
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function benchmark(fn, times, name){
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fn = fn.toString();
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var s = fn.indexOf('{')+1,
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e = fn.lastIndexOf('}');
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fn = fn.substring(s,e);
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return benchmarkString(fn, times, name);
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}
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function benchmarkString(fn, times, name) {
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var fn = new Function("i", "var t=new Date; while(i--) {" + fn + "}; return new Date - t")(times)
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fn.displayName = name || "benchmarked";
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return fn;
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}
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