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Run results for:
padStart vs slice
Measures speed between using padStart and slice
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
splice
488.3M/s
padStart
39.3M/s
View exact numbers
Test name
Executions per second
✓
splice
488,283,168 Ops/sec
padStart
39,334,344 Ops/sec
Tests:
padStart
let x = "5"; let res = x.padStart(2, "0")
splice
let x = "5"; let res = ("0" + x).slice(-2)