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Run results for:
var vs. const vs. let
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Let
165.9M/s
Const
158.5M/s
Var
151.2M/s
View exact numbers
Test name
Executions per second
✓
Let
165,903,824 Ops/sec
Const
158,508,208 Ops/sec
Var
151,244,336 Ops/sec
Tests:
Var
var varVariable = '';
Const
const constVariable = '';
Let
let letVariable = '';