MyFirstJS
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console.log("Hello World!");
//tipe data undefined
let y;
console.log(y);
//tipe data number
let sony = 12;
console.log(typeof(sony));
let a = 12;
let b = 9;
console.log(a+b);
console.log(a*b);
console.log(a-b);
console.log(a/b);
console.log(a%b);
//tipe data number(aritmatika): increment dan decrement
let postfix = 5;
console.log(postfix++);
let prefix = 7;
console.log(++prefix);
//tipe data string
let greet ="Hello";
console.log(typeof(greet));
//tipe data string
let great = "Hello_";
let moreGreat = great + great;
console.log(moreGreat);
console.log(great);
//tipe data boolean
let x = 12;
let z = 11;
console.log(x>z);
//tipe data null
let ngkokAe = null;
console.log(ngkokAe);
//tipe data arrays
let myArray = ["coklat", 42.5, 22, true, "programming"];
console.log(myArray[0]);
console.log(myArray[1]);
console.log(myArray[2]);
console.log(myArray[3]);
console.log(myArray[4]);
console.log("panjang nilai myArray adalah " + myArray.length + ".");
console.log(myArray);
//tipe data object
let user = {
name: {
first: "Harry",
last: "Potter"
}
};
console.log("Hallo, nama saya" + " " + user.name.first + " " + user.name.last);
const aString = '10';
const aNumber = 10;
console.log(aString == aNumber);
console.log(aString ===aNumber);
let s = 10;
let d = 12;
//operator dan {&}
console.log(s<15 && d>10);
//operator atau {/}
console.log(s<15 || d>15);
//operator tidak {NOT}
console.log(!(s=10));
//if/else statement
let v = 50;
if(v > 55) {
console.log(v);
} else {
console.log("nilai kurang");
}
let language = "English";
let greeting = "Selamat Pagi!";
if (language === "English") {
greeting = "Good Morning!";
}
console.log(greeting);
let bahasa = "french";
let sapaan = "selamat pagi";
if (bahasa === "English") {
sapaan = "good morning!";
} else if (bahasa === "french") {
sapaan = "bonjour";
} else if (bahasa === "japanese") {
sapaan = "ohayogozaimasu!";
}
console.log(sapaan);
console.log(bahasa);
for (let i = 0; i < 7; i++) {
console.log(i);
}
let myMorray = ["harry", "juki", "andre"];
for(let arrayItem of myMorray); {
console.log(myMorray);
}
function greetingz() {
console.log("good morning!");
}
greetingz();
JavaScript
INFO