Answers for "javascript round float"

javascript round to 2 digits

var num = 2;
var roundedString = num.toFixed(2);// 2.00

round to nearest decimal javascript

round(12345.6789, 2) // 12345.68
round(12345.6789, 1) // 12345.7

round to nearest decimal javascript

function round(value, precision) {
    var multiplier = Math.pow(10, precision || 0);
    return Math.round(value * multiplier) / multiplier;
}

how to use math.round

//There are meny ways of rounding...
Math.floor(5.5) //Answer 5, it alwas rounds down.
Math.round(5.5) //Answer 6, it simpily rounds to the closest whole number.
Math.ceil(5.5) //Answer 6, it alwas rounds up.

//You can do more things too...
Math.floor(5.57 * 10) / 10 //Answer 5.5, the number turns into 55.7, Then gets floored (55.0), Then gets divied, (5.5)