Capgemini

 

// var a= 1;

// console.log(a);

// var a = 2;

// console.log(a);

// let a= 1;

// console.log(a);

// let a= 2;

// console.log(a);

//call

//apply

//bind

// var employee1 = { firstName: "John", lastName: "Rodson" };

// var employee2 = { firstName: "Jimmy", lastName: "Baily" }; 

// let invite = (greeting1, greeting2) => {  console.log(greeting1 + " " + this.firstName + " " + this.lastName + ", " + greeting2  );}

// invite.call(employee1, "Hello", "How are you?");

// invite.call(employee2, "Hello", "How are you?");

const data =()=>{

console.log(this)    

}

data()

//methods

// function data(){

//     console.log(this)

// }

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze

Lifecycle method in react

child to parent

why closures iffi , hoisiting

Promise.race vs promise.all

vs async await

https://www.geeksforgeeks.org/difference-between-methods-and-functions-in-javascript/