javascript round decimal to half up code example
Example 1: javascript round decimal 2 digits
var numb = 123.23454;
numb = numb.toFixed(2);
Example 2: javascript round to 2 decimal places
var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"