Learn JS part 2
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var herbivora = new Array('kambing', 'sapi', 'kuda');
var karnivora = new Array('harimau', 'serigala', 'anjing');
var omnivora = new Array('ayam', 'monyet', 'beruang');
var binatang = new Array(herbivora, karnivora, omnivora);
binatang.forEach(function(jenis, index0)
{
jenis.forEach(function(nama, index1)
{
console.log("Index ke - [" + index0 + "][" + index1 + "] Ada Binatang: " + nama);
});
});
console.log("============================================================================== END")
var kalimat = 'Saya suka sate';
var output = kalimat.replace('sate','rendang');
console.log(output);
console.log("============================================================================== END")
function yukihana() {
console.log("What can i do for you master~");
}
yukihana();
console.log("============================================================================== END")
var pesan = 'Halo Coder!';
function cetakPesan() {
console.log(pesan)
}
cetakPesan()
console.log("============================================================================== END")
x = 5;
function kuadrat()
{
x *= x;
}
console.log('sebelum dikuadratkan: ' + x + '<br/>');
kuadrat();
console.log('setelah dikuadratkan: ' + x + '<br/>');
console.log("============================================================================== END")
function profil(nama, kota, tahun)
{
console.log('Nama saya ' + nama + '<br/>');
console.log('Saya berasal dari kota ' + kota + '<br/>');
console.log('Saya lahir pada tahun ' + tahun + '<br/>');
}
var nama = 'James';
var asal = 'Medan';
var tahun = '1997';
profil(nama, asal, tahun);
console.log("============================================================================== END")
function cetakPesan(namass, bahasass='rt')
{
var pesanss = 'Selamat datang, ' + namass;
if(bahasass == 'en')
{
pesanss = 'Welcome, ' + namass;
console.log(pesanss);
} else if (bahasass == 'id') {
pesanss = 'Selamat datang, ' + namass;
console.log(pesanss);
} else {
pesanss = 'Mohon maaf bahasa yang diminta belum terdaftar.';
console.log(pesanss);
}
}
var namass = 'Bambang';
cetakPesan(namass);
console.log("============================================================================== END")
function kuadratss(angkass)
{
angkass.key *= angkass.key;
}
var xss = {key:5};
console.log('sebelum dikuadratkan: ' + xss['key'] + '<br/>');
kuadratss(xss);
console.log('setelah dikuadratkan: ' + xss['key'] + '<br/>');
console.log("============================================================================== END")
var tanggal = Date();
console.log(tanggal);
console.log("============================================================================== END")
// fungsi untuk menghitung luas lingkaran
function luasLingkaran(diameters, cond) {
var phi = 3.14;
if (cond === true) {
luas = phi*(diameters*diameters)/4;
return luas;
} else if (cond === false) {
r = diameters/2;
luas = phi*(r*r);
return luas;
}
}
// menghitung luas berdasarkan diameter
var diameter = 14;
var luas = luasLingkaran(diameter, true);
console.log('luas berdasarkan diameter: ' + luas +'<br/>');
// menghitung luas berdasarkan jari-jari
var radius = 7;
var luass = luasLingkaran(radius, false);
console.log('luas berdasarkan radius: ' + luass +'<br/>');
console.log("============================================================================== END")
var nama = 'Jenderal Soedirman';
console.log('Panjang string "' + nama + '" adalah ' + nama.length + ' karakter <br/>');
var pasukan = "Pasukan berkata: \"Kami adalah Gerilyawan\". <br/>";
console.log(pasukan);
console.log("============================================================================== END")
var nama = 'Jenderal Soedirman adalah Jenderal Bintang Lima';
console.log('Panjang string "' + nama + '" adalah ' + nama.length + ' karakter <br/>');
var pasukan = "Pasukan berkata: \'Kami adalah Gerilyawan\'. <br/>";
console.log(pasukan);
console.log("============================================================================== END")
var teks = "Valentino Rossi adalah seorang pembalap MotoGP";
console.log(teks + '<br/>');
console.log(teks.toUpperCase() + '<br/>');
console.log(teks.toLowerCase() + '<br/>');
console.log("============================================================================== END")
var pesan = "saya suka baso sapi, sate kambing dan iga bakar";
var hasila = pesan.replace(/a/g, "");
var hasili = hasila.replace(/i/g, "");
var hasilu = hasili.replace(/u/g, "");
var hasile = hasilu.replace(/e/g, "");
var hasilo = hasile.replace(/o/g, "");
console.log(hasilo);
console.log("============================================================================== END")
var url = 'codepolitan.com/interactive-coding/javascript/output';
var segmen = url.split('/');
console.log(segmen);
var tags = new Array('javascript', 'belajar javascript', 'tutorial javascript');
var tag_str = tags.join(", ");
console.log(tag_str);
var new_url = segmen.join("/");
console.log(new_url);
console.log("============================================================================== END")
var namam = ' Al Khawarizmi ';
console.log(namam + '<br/>');
console.log('Sebelum menghapus karakter depan dan belakang, panjang string var nama: ' + namam.length + '<br/>');
namam = namam.trim();
console.log(namam + '<br/>');
console.log('Setelah menghapus karakter depan dan belakang, panjang string var nama: ' + namam.length + '<br/>');
console.log("============================================================================== END")
var herbivoras = new Array(' kambing ', ' sapi ', ' kuda ');
herbivoras.forEach(function(namams,indexms){
namamss = namams.trim()
console.log(namamss);
})
JavaScript
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