JAVASCRIPT

js format number thousands separator

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

Print a number with commas as thousands separators in JavaScript

// A more complex example: 
number.toLocaleString(); // "1,234,567,890"

// A more complex example: 
var number2 = 1234.56789; // floating point example
number2.toLocaleString(undefined, {maximumFractionDigits:2}) // "1,234.57"

javascript friendly number format with commas

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

commas for thousands js

var number = 3500;

console.log(new Intl.NumberFormat().format(number));
// → '3,500' if in US English locale

javascript format numbers with commas

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

format number thousands k javascript

function nFormatter(num, digits) {
  var si = [
    { value: 1, symbol: "" },
    { value: 1E3, symbol: "k" },
    { value: 1E6, symbol: "M" },
    { value: 1E9, symbol: "G" },
    { value: 1E12, symbol: "T" },
    { value: 1E15, symbol: "P" },
    { value: 1E18, symbol: "E" }
  ];
  var rx = /.0+$|(.[0-9]*[1-9])0+$/;
  var i;
  for (i = si.length - 1; i > 0; i--) {
    if (num >= si[i].value) {
      break;
    }
  }
  return (num / si[i].value).toFixed(digits).replace(rx, "$1") + si[i].symbol;
}

/*
 * Tests
 */
var tests = [
  { num: 1234, digits: 1 },
  { num: 100000000, digits: 1 },
  { num: 299792458, digits: 1 },
  { num: 759878, digits: 1 },
  { num: 759878, digits: 0 },
  { num: 123, digits: 1 },
  { num: 123.456, digits: 1 },
  { num: 123.456, digits: 2 },
  { num: 123.456, digits: 4 }
];
var i;
for (i = 0; i < tests.length; i++) {
  console.log("nFormatter(" + tests[i].num + ", " + tests[i].digits + ") = " + nFormatter(tests[i].num, tests[i].digits));
}

javascript format number with commas

let n = 234234234;
let str = n.toLocaleString("en-US");
console.log(str); // "234,234,234"

format number with commas js

foramtNumber = (num,div=",")=>{
  return num.toString().replace(/B(?=(d{3})+(?!d))/g, div);

}

how to separate thousands with comma in js

 const totalBalance = (x, y) => {
    let total = parseInt(x.replace(/,/g, ""))  +  parseInt(y.replace(/,/g, ""));
    return total.toString().replace(/B(?<!.d*)(?=(d{3})+(?!d))/g, ",");
    //Output structure will be like:23,236//
  };