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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
171.9M/s
const
167.5M/s
var
161.8M/s
View exact numbers
Test name
Executions per second
✓
let
171,858,336 Ops/sec
const
167,463,536 Ops/sec
var
161,777,616 Ops/sec
Tests:
var
var g = 1; var c = g + 1;
let
let g = 1; let c = g + 1;
const
const g = 1; const c = g + 1;