Arrow Functions javascript code example
Example 1: arrow function javascript
function Welcome(){
console.log("Normal function");
}
const Welcome = () => {
console.log("Normal function");
}
Example 2: arrow function rec
(param1, param2, …, paramN) => { statements }
(param1, param2, …, paramN) => expression
(singleParam) => { statements }
singleParam => { statements }
() => { statements }
Example 3: javascript arrow function
let add = function(x,y) {
return x + y;
}
console.log(add(10,20));
let add = (x,y) => x + y;
console.log(add(10,20));
let add = (x, y) => { return x + y; };
Example 4: js arrow function
const add = (a, b) => a + b;
const square = num => {
return num * num;
}
const rollDie = () => (
Math.floor(Math.random() * 6) + 1
)
Example 5: js arrow function this
const person = {
firstName: 'Viggo',
lastName: 'Mortensen',
fullName: function () {
return `${this.firstName} ${this.lastName}`
},
shoutName: function () {
setTimeout(() => {
console.log(this);
console.log(this.fullName())
}, 3000)
}
}
Example 6: arrow function javascript
const suma = (num1, num2) => num1+num2
console.log(suma(2,3));