js math round to number of digits code example

Example 1: javascript round to 2 digits

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

Example 2: round to decimal javascript

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