how to add commas to numbers in javascript code example

Example 1: number with commas js

function numberWithCommas(x) {
  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
}

Example 2: add comma to number javascript

var n = 34523453.345
n.toLocaleString()
"34,523,453.345"

Example 3: javascript friendly number format with commas

//ES6 Way
const numberWithCommas = (x) => {
  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
}

Example 4: add comma to number in javascript

value.toLocaleString()
"1,000"