Array emptying performance

Benchmark created on

Setup

const arrayLength = 10000;
const defaultValue = 0; // You can replace this with any default value you want

const newArray = new Array(arrayLength).fill(defaultValue);

Test runner

Ready to run.

Testing in
TestOps/sec
a = []
a = []; // 37% slower
ready
length = 0

a.length = 0; // 89% slower
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poppage
// 97% slower
while (a.length > 0) {
    a.pop();
} // Fastest
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splice

a.splice(0, a.length)
ready

Revisions

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