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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Task 2</title>
<style>
body{
background-color: #333333;
padding: 10px;
border-radius: 5px;
border: 1px solid #444444;
box-shadow: 0 0 10px rgba(255, 0, 212, 0.5);
transition: box-shadow 0.3s ease-in-out;
margin: 20px auto;
width: fit-content;
color: #fff;
font-size: 50px;
}
body:hover {
box-shadow: 0 0 20px rgba(225, 0, 255, 0.8);
}
</style>
</head>
<body>
<script>
var a = 2, b = 1;
var result = --a - --b + ++b + b--;
// --a: a se 1 minus kar ke, a ban gaya 1
// --a - --b:
// a abhi bhi 1 hai
// --b: b se 1 minus kar ke, b ban gaya 0
// ab tak ka result: 1 - 0 = 1
// --a - --b + ++b:
// ab tak ka result: 1
// ++b: b mein 1 add karke, b ban gaya 1
// ab tak ka result: 1 + 1 = 2
// --a - --b + ++b + b--:
// ab tak ka result: 2
// b--: b ka current value (1) use karke, phir b se 1 minus karenge
// result: 2 + 1 = 3 (phir b ban gaya 0)
document.write("a is " + a + "<br>"); // a ban gaya 1
document.write("b is " + b + "<br>"); // b ban gaya 0
document.write("result is " + result ); // result ban gaya 3
</script>
</body>
</html>