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Discussion on: JavaScript One-Liners That Make Me Excited

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Casey Cole

//only rounds up 15 can be changed to what ever number you want to use
roundMinutes = (mins) => { return (~(mins / 15) * 15) * -1 ; }
roundMinutes(35) -> 45
// will now round down instead of up
roundMinutes = (mins) => { return (~~(mins / 5) * 5) ; }