JSFiddle - React, Tailwind, and code Playground

by deepak sisodiya

JavaScript

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

var cat = {colour: "grey", name: "Spot", size: 46};
cat.size = 47;
alert(cat.size);
delete cat.size;
alert(cat.size);
alert(JSON.stringify(cat));