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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
171.0M/s
Var
134.7M/s
Const
110.5M/s
View exact numbers
Test name
Executions per second
✓
Let
170,968,320 Ops/sec
Var
134,694,352 Ops/sec
Const
110,459,464 Ops/sec
Tests:
Var
var varVariable = '';
Const
const constVariable = '';
Let
let letVariable = '';