what is arrow function in javascript code example

Example 1: arrow function javascript

// Normal Function in JavaScript
function Welcome(){
  console.log("Normal function");
}

// Arrow Function
const Welcome = () => {
  console.log("Normal function");
}

Example 2: javascript arrow function

// Non Arrow (standard way)
let add = function(x,y) {
  return x + y;
}
console.log(add(10,20)); // 30

// Arrow style
let add = (x,y) => x + y;
console.log(add(10,20)); // 30;

// You can still encapsulate
let add = (x, y) => { return x + y; };

Example 3: es6 arrow function

const multiplyES6 = (x, y) => x * y;

Example 4: arrow function javascript

const suma = (num1, num2) => num1+num2
console.log(suma(2,3));
//5

Example 5: 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

Example 6: arrow func in javascript

const greet = (who) => {
  return `Hello, ${who}!`;
};

greet('Eric Cartman'); // => 'Hello, Eric Cartman!'