Javascript

Javascript Object Destucturing: const setting = { notification :{ name:true, age:15, gender:"male", school:{ ...

Javascript function Destructuring function saveSettings({ notifications, color: { theme } }) { console.log(theme); // output : "blue" } saveSettings({ notifications...

Javascript Array Destructuring const days = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]; const [mon,tue,wed] = days; console.log(mon,tue,wed); // output : mon, tue, wed ...

javascript Array map, filter, slice // javascript map const fruits = ["banana", "mango", "apple", "grape"]; const taste = fruits.map(fruit => { return fruit + "맛있어"; }...

Javascript Rest and Spread const num = [1, 2, 3]; const car = ["k3", "k5", "k7"]; const numCar = [...num, ...car]; console.log(numCar); // output [ 1, 2, 3, "k3", "k5", "k7"]...

JS Rest and Spread (2) const user = { name: "mango", age: 1234, password: 455 }; const killAge = ({ age, ...rest }) => rest; const cleanUser = killAge(...

JS for ...of const cars = ["k1", "k2", "k3", "k4", "k5"]; const friends = ["mango", "banana", "apple"]; const addCar = (c, i, r) => console.log(c, i, r); cars.forEach(addCar);...

Javascript Promise

Javascript Classes