jQuery function to to format number with commas and decimal

Question

I\'m using the following function to format numbers as the user types. It will insert a comma every 3 numbers. Ex: 45696.36 becomes 45,696.36.

Answer 1

You could accomplish this by splitting your string at the '.' character and then performing your comma-conversion on the first section only, as such:

function ReplaceNumberWithCommas(yourNumber) {
    //Seperates the components of the number
    var n= yourNumber.toString().split(".");
    //Comma-fies the first part
    n[0] = n[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    //Combines the two sections
    return n.join(".");
}

ReplaceNumberWithCommas(1136.6696); //yields 1,136.6696

Example

Answer 2

I use accounting.js lib:

accounting.format(1136.6696, 4) // 1,136.6696