JSFiddle - React, Tailwind, and code Playground

by Kirubel Girma

HTML

<input type="number" id="numCom">

JavaScript

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

function TextChanged(){
		var text_VAL = document.getElementById("numCom").value
		var fixed = numberWithCommas(text_VAL);
    text_VAL = fixed
    alert("13")
}

document.getElementById("numCom").addEventListener("change keydown paste input", TextChanged());