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operator-logika.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>Operator : Logika </title>
</head>
<body>
<script>
/*
## Operator Perbandingan
• adalah operasi untuk membandingkan dua buah data
• operasi yang menghasilkan nilai boolean (true or false)
• jika hasilnya benar, maka nilainya true
• jika hasilnya salah, maka nilainya false
• Operator ini digunakan untuk membandingkan dua data boolean
## Seperti Berikut
• && : Dan
• || : atau
• ! : Kebalikan (not)
*/
// =========== Operator Perbandingan ===========
document.writeln("<p> =========== && / Dan ===========</p>");
let result = true && true;
document.writeln("<p> true && true = " + result + "</p>");
result = true && false;
document.writeln("<p> true && false = " + result + "</p>");
result = false && true;
document.writeln("<p> false && true = " + result + "</p>");
result = false && false;
document.writeln("<p> false && false = " + result + "</p>");
document.writeln("<p> =========== || / Atau ===========</p>");
result = true || true;
document.writeln("<p> true || true = " + result + "</p>");
result = true || false;
document.writeln("<p> true || false = " + result + "</p>");
result = false || true;
document.writeln("<p> false || true = " + result + "</p>");
result = false || false;
document.writeln("<p> false || false = " + result + "</p>");
document.writeln("<p> =========== ! (operator unary) / Kebalikan ===========</p>");
result = !true;
document.writeln("<p> !true = " + result + "</p>");
result = !false;
document.writeln("<p> !false = " + result + "</p>");
document.writeln("<p> =========== contoh logika ===========</p>");
const nilaiUjian = 76, nilaiAbsensi = 76, lulusUjian = nilaiUjian > 75, lulusAbsensi = nilaiAbsensi > 75;
document.writeln("<p> nilai ujian = " + nilaiUjian + " </p>");
document.writeln("<p> nilai absensi = " + nilaiAbsensi + " </p>");
document.writeln("<p> lulus ujian = " + lulusUjian + " </p>");
document.writeln("<p> lulus absensi = " + lulusAbsensi + " </p>");
const lulus = lulusUjian && lulusAbsensi;
document.writeln("<p> Saya ... (true=lulus, false=tidak lulus) = <strong>" + lulus + "</strong></p>");
</script>
</body>
</html>