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49-this.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>this</title>
</head>
<body>
<script>
// Global Scope
console.log(this);
function sample() {
// local scope
console.log(this);
function inner() {
// nested scope
console.log(this);
}
inner();
}
sample();
// this dalam method object
const person = {
name: "andi",
sayHelo(myFriend) {
console.log(this);
console.log(`Helo ${myFriend} My name is ${this.name}`);
console.log(`Helo ${myFriend} My name is ${person.name}`);
}
}
person.sayHelo("Frian");
person.sayHelo("Riki");
// arrow function dalam object
const orang = {
nama: "Aswad",
kenalan: (myBro) => {
console.log(this);
console.log(`Helo ${myBro} My name is ${this.nama}`);
console.log(`Helo ${myBro} My name is ${orang.nama}`);
}
}
orang.kenalan('Haris')
</script>
</body>
</html>