arrow function definition javascript code example

Example 1: js arrow function

// const add = function(x,y) {
//     return x + y;
// }

// const add = (x, y) => {
//     return x + y;
// }

const add = (a, b) => a + b;


const square = num => {
    return num * num;
}

// const rollDie = () => {
//     return Math.floor(Math.random() * 6) + 1
// }

const rollDie = () => (
    Math.floor(Math.random() * 6) + 1
)

Example 2: arrow function javascript

//If body has single statement
let myFunction = (arg1, arg2, ...argN) => expression

//for multiple statement
let myFunction = (arg1, arg2, ...argN) => {
    statement(s)
}
//example
let hello = (arg1,arg2) => "Hello " + arg1 + " Welcome To "+ arg2;
console.log(hello("User","Grepper"))
//Start checking js code on chrome inspect option