round a value to the specified number of digit.
Rounds to the nearest value, and a tie the way Math.round does, toward
positive infinity: round(2.5) is 3 and round(-2.5) is -2.
Parameters
num: number
value to be rounded.
Optionaldec: number = 0
number of decimal digit to be rounded to.
Returns number
rounded value
Example
// round a specific value to 2 digits math.round(10.33333, 2); // return 10.33 math.round(-2.7); // return -3
round a value to the specified number of digit. Rounds to the nearest value, and a tie the way
Math.rounddoes, toward positive infinity:round(2.5)is 3 andround(-2.5)is -2.