JSFiddle - React, Tailwind, and code Playground

by deepak sisodiya

JavaScript

// constructor in javascript

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

function person(firstName , lastName , address) {
    this.firstName = firstName,
    this.lastName = lastName,
    this.address = address
}

var obj = new person("deepak","sisodiya","Indore")

alert(typeof(obj))
alert(typeof(person()))

alert(obj.constructor)

alert(obj.firstName)