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Run results for:
padStart vs splice vs loop
Measures speed between using padStart and splice and a pad loop
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<iframe src="https://measurethat.net/Embed?id=565945" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
padStart
11226049.0 Ops/sec
splice
64921824.0 Ops/sec
loop
10264284.0 Ops/sec
Tests:
padStart
let x = 5; let res = ("" + x).padStart(6, "0")
splice
let x = 5; let res = ("0000000" + x).slice(-6)
loop
let x = 5; let res = ''+x while (res.length < 6) { res = '0' + res; }