Slice vs Substr vs Substring vs [ ] Methods

JavaScript performance comparison

Revision 35 of this test case created

Info

This is comparing the runtimes of substr, substring, and slice in a string for large (10000 character) string size.

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = "DzjKbdy1fysm5LiEbCNUmbl9wqaAKL0o6Uqh3bIIsqhjelP5175uj3gtwxrVH2HaeXw1lrh8WvauFb1yhCqHLu";
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
Substring
str.substring(0, 10);
pending…
substr
str.substr(0, 10);
pending…
slice
str.slice(0, 10);
pending…

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