JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "div_0"></div>
<div id = "div_1"></div>
<div id = "div_2"></div>
<div id = "div_3"></div>
<div id = "div_4"></div>
<div id = "div_5"></div>

JavaScript

var n = 1234.567;

document.getElementById("div_0").innerHTML = parseInt(((n + "").split("."))[0], 10); 
document.getElementById("div_1").innerHTML = ((n + "").split("."))[0]; 
document.getElementById("div_2").innerHTML = Math.floor(n);
document.getElementById("div_3").innerHTML = ~~n;
document.getElementById("div_4").innerHTML = n ^ 0;
document.getElementById("div_5").innerHTML = parseInt(n, 10);