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Run results for:
padStart vs splice vs conditional721345734734
Measures speed between using padStart and splice and conditional
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<iframe src="https://measurethat.net/Embed?id=554204" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
condition
159.3M/s
splice
136.5M/s
padStart
55.2M/s
362346
51.4M/s
View exact numbers
Test name
Executions per second
✓
condition
159,329,696 Ops/sec
splice
136,477,728 Ops/sec
padStart
55,167,996 Ops/sec
362346
51,377,368 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}`
362346
function zeroPad(number, length) { // 숫자를 문자열로 변환 let str = number.toString(); // 지정된 길이에 도달할 때까지 앞에 '0'을 추가 while (str.length < length) { str = '0' + str; } return str; } let x = 5; let res = zeroPad(x, 2);