transform float number to seconds js
function convertNumToTime(number) {
// Check sign of given number
var sign = (number >= 0) ? 1 : -1;
// Set positive value of number of sign negative
number = number * sign;
// Separate the int from the decimal part
var hour = Math.floor(number);
var decpart = number - hour;
var min = 1 / 60;
// Round to nearest minute
decpart = min * Math.round(decpart / min);
var minute = Math.floor(decpart * 60) + '';
// Add padding if need
if (minute.length < 2) {
minute = '0' + minute;
}
// Add Sign in final result
sign = sign == 1 ? '' : '-';
// Concate hours and minutes
time = sign + hour + ':' + minute;
return time;
}
console.log(convertNumToTime(11.15));
console.log(convertNumToTime(1.08));
console.log(convertNumToTime(-2.50));
console.log(convertNumToTime(2));
console.log(convertNumToTime(0.40));