Array isArray vs instanceof
Date tested:
27 days ago
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0
Test name
Executions per second
Instanceof
130165728.0 Ops/sec
isArray
133006720.0 Ops/sec
Benchmark definition (click to collapse):
Script Preparation code:
var test = [1,2,3,4]; var c;
Tests:
Instanceof
if (test instanceof Array) { c++; }
isArray
if (Array.isArray(test)) { c++; }
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