javascript set comma in number 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 in javascript

value.toLocaleString()
"1,000"

Example 3: how to format an integer with a comma in javascript

x.toString().toLocaleString(); // x must be a number