JavaScript fast-floor
Use the double NOT bitwise operator to perform a fast-floor.
Math.floor(123.456) // => 123
~~123.456 // => 123Pro tip: Be careful with negative numbers!
Math.floor(-123.456) // => 124
~~-123.456 // => 123Written by Florent Cailhol
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1 Response
Interesting. It does seem faster, to a degree:
http://jsperf.com/math-floor-no-loop & http://jsperf.com/math-floor
over 1 year ago
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