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Run results for:
Array isArray vs typeof (negative case)
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0
Browser:
Chrome 139
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
typeof
225816016.0 Ops/sec
isArray
227681344.0 Ops/sec
Script Preparation code:
var test = '[1,2,3,4]'; var c;
Tests:
typeof
if (typeof test === 'object') { c++; }
isArray
if (Array.isArray(test)) { c++; }