Benchmark: Array check key - MeasureThat.net

Script Preparation code:

var arr = [];
for (let i = 0; i < 1000; i++) arr[i] = i;

function randomKey() {
    return Math.floor(Math.random() * 2000);
}

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Undefined
In

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Android 12; Mobile; rv:108.0) Gecko/108.0 Firefox/108.0

Browser/OS: Firefox Mobile 108 on Android

Test name	Executions per second
Undefined	29955950.0 Ops/sec
In	28004590.0 Ops/sec

Array check key (version: 0)