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Run results for:
padStart vs splice vs conditional
Measures speed between using padStart and splice and conditional
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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
splice
278.2M/s
condition
262.8M/s
padStart
95.9M/s
View exact numbers
Test name
Executions per second
✓
splice
278,207,296 Ops/sec
condition
262,792,512 Ops/sec
padStart
95,944,336 Ops/sec
Tests:
padStart
let x = 5; let res = ("" + x).padStart(2, "0")
splice
let x = 5; let res = ("0" + x).slice(-2)
condition
let x = 5; let res = x<10 ? `0${x}` : `${x}`