React
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var nama = 'Codepolitan'
var alamat = 'Jl. Cipedes Tengah 1 No. 27 '
// penggabungan string versi lama
console.log('kantor ' + nama + ' berada di ' + alamat)
// penggabungan string dengan template literal
console.log(`kantor ${nama} berada di ${alamat}`)
var kalimatKedua = `Saya seorang developer
saya belajar Javascript
saya belajar di Codepolitan`
console.log(kalimatKedua)
// arrow function
// in ES5 make function
function sayHello(nama){
console.log(`Hey braderss ${nama}`)
}
sayHello("aybis");
// without parameter
var newSayHello = () => {
console.log("Hai, I am ProGammer")
}
// with one parameter
var newHello = (nama) => {
console.log(`Hallo braderss ${nama}`);
}
// dapat diganti dengan
var newGreeting = guestName => console.log(`Welcome back to Codepolitan, ${guestName}`);
// with 2 paramter
var multiplication = (x,y) => {
return (x * y);
}
// method array.map
angka = [1,2,3,4]
var angkaBaru = angka.map(element => element * 2)
newSayHello();
newHello("aybis");
newGreeting("aybis");
console.log(multiplication(4,5));
console.log(angkaBaru);
// Spread Syntax
var mobilToyota = ['Avanza','Celica','Camry','86'];
var mobilHonda = ['Civic','NSX','Accord','Oddysey'];
var mobilKoleksi = [...mobilToyota];
mobilKoleksi[0] = 'Fortuner';
var mobilKu = [...mobilToyota, ...mobilHonda,'Audi R8'];
console.log(mobilToyota);
console.log(mobilKoleksi);
console.log(mobilKu.join(' - '));
JavaScript
INFO