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ensup/speed.js

Last active March 11, 2022 14:56
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speed
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speed.js
const prev = Date.now()
for(let i = 0; i < 1000000000 ; i++){}
const aft = Date.now()
document.write(`${aft - prev}ms 걸림<br>`)
document.write(navigator.userAgent)
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