Array isArray vs instanceof 2
Date tested:
2 months ago
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Test name
Executions per second
Instanceof
15063881.0 Ops/sec
isArray
15502635.0 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var test = [1,2,3,4]; var c;
Tests:
Instanceof
if ([1,2,3,4] instanceof Array) { c++; }
isArray
if (Array.isArray([1,2,3,4])) { c++; }
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