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Run results for:
Regex type checking comparison
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Browser:
Chrome 129
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
instanceof
7587502.0 Ops/sec
test property
19638160.0 Ops/sec
Script Preparation code:
var regex = /[a-z]/i;
Tests:
instanceof
regex instanceof RegExp
test property
!!regex.test