dirname

JavaScript performance comparison

Test case created by macek

Info

get dirname from string

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = "/abc/def/hij/klm.no";
};
</script>

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Testing in unknown unknown
Test Ops/sec
str.replace
str.replace(/\/[^/]+$/, "");
pending…
str.split.slice.join
str.split("/").slice(0, -1).join("/");
pending…
str.substr, str.lastIndexOf
str.substring(0, str.lastIndexOf("/"));
pending…

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