math unround decimal javascript code example

Example 1: javascript round to 2 decimal places

var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"

Example 2: javascript round to 2 digits

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