JSFiddle - React, Tailwind, and code Playground

by deepak sisodiya

JavaScript

// Javascript array map() method creates a new array

var alert  = function (str) {
   var st = document.createTextNode(str);
   var p = document.createElement('p');
   p.appendChild(st);
   document.querySelector('body').appendChild(p);
}

var number = [1,4,9]
var roots = number.map(Math.sqrt)

alert(roots)