CODE FIT PRO

 // console.log("Value of Age is",age); // var age=2 // console.log("Value of Age is",age); /**  * undefined  * 2  *   * Because of Hoisting  * Global execution context  * Memory phase --> js will traverse whole code and it will load that in memory phase  * code phase  *  */ // age =100; // console.log("Value of age is",age); // let age =30; /**  * Throw reference Error  * trying to acess age before initialization  *   * let and const are hoisted differently  * they are hoisted inside    Temporal Dead Zone *the area of a block where a variable is inaccessible until the moment the computer completely initializes it with a value.     */ // myFun(); // var myFun = function(){ //   console.log('First') // } // myFun(); // function myFun(){ //   console.log('Second'); // } // myFun(); /**  * Second  *   * First  *   * First ...