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Tahapan Implementasi & Walkthrough Kode
Berikut adalah langkah demi langkah teknis yang dapat Anda ikuti langsung pada codebase Anda:
Tahap 1: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 33;
var b = 10;
var c = "Test";
var linebreak = "<br />";
document.write("a + b = ");
result = a + b;
document.write(result);
document.write(linebreak);
document.write("a - b = ");
result = a - b;
document.write(result);
document.write(linebreak);
document.write("a / b = ");
result = a / b;
document.write(result);
document.write(linebreak);
document.write("a % b = ");
result = a % b;
document.write(result);
document.write(linebreak);
document.write("a + b + c = ");
result = a + b + c;
document.write(result);
document.write(linebreak);
a = ++a;
document.write("++a = ");
result = ++a;
document.write(result);
document.write(linebreak);
b = --b;
document.write("--b = ");
result = --b;
document.write(result);
document.write(linebreak);
</script>
Set the variables to different values and then try...
</body>
</html>
Tahap 2: Penulisan Kode & Konfigurasi
a + b = 43
a - b = 23
a / b = 3.3
a % b = 3
a + b + c = 43Test
++a = 35
--b = 8
Set the variables to different values and then try...
Tahap 3: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 10;
var b = 20;
var linebreak = "<br />";
document.write("(a == b) => ");
result = (a == b);
document.write(result);
document.write(linebreak);
document.write("(a < b) => ");
result = (a < b);
document.write(result);
document.write(linebreak);
document.write("(a > b) => ");
result = (a > b);
document.write(result);
document.write(linebreak);
document.write("(a != b) => ");
result = (a != b);
document.write(result);
document.write(linebreak);
document.write("(a >= b) => ");
result = (a >= b);
document.write(result);
document.write(linebreak);
document.write("(a <= b) => ");
result = (a <= b);
document.write(result);
document.write(linebreak);
</script>
Set the variables to different values and different operators and then try...
</body>
</html>
Tahap 4: Penulisan Kode & Konfigurasi
(a == b) => false
(a < b) => true
(a > b) => false
(a != b) => true
(a >= b) => false
a <= b) => true
Set the variables to different values and different operators and then try...
Tahap 5: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = true;
var b = false;
var linebreak = "<br />";
document.write("(a && b) => ");
result = (a && b);
document.write(result);
document.write(linebreak);
document.write("(a || b) => ");
result = (a || b);
document.write(result);
document.write(linebreak);
document.write("!(a && b) => ");
result = (!(a && b));
document.write(result);
document.write(linebreak);
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>
Tahap 6: Penulisan Kode & Konfigurasi
(a && b) => false
(a || b) => true
!(a && b) => true
Set the variables to different values and different operators and then try...
Tahap 7: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 2; // Bit presentation 10
var b = 3; // Bit presentation 11
var linebreak = "<br />";
document.write("(a & b) => ");
result = (a & b);
document.write(result);
document.write(linebreak);
document.write("(a | b) => ");
result = (a | b);
document.write(result);
document.write(linebreak);
document.write("(a ^ b) => ");
result = (a ^ b);
document.write(result);
document.write(linebreak);
document.write("(~b) => ");
result = (~b);
document.write(result);
document.write(linebreak);
document.write("(a << b) => ");
result = (a << b);
document.write(result);
document.write(linebreak);
document.write("(a >> b) => ");
result = (a >> b);
document.write(result);
document.write(linebreak);
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>
Tahap 8: Penulisan Kode & Konfigurasi
(a & b) => 2
(a | b) => 3
(a ^ b) => 1
(~b) => -4
(a << b) => 16
(a >> b) => 0
Set the variables to different values and different operators and then try...
Tahap 9: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 33;
var b = 10;
var linebreak = "<br />";
document.write("Value of a => (a = b) => ");
result = (a = b);
document.write(result);
document.write(linebreak);
document.write("Value of a => (a += b) => ");
result = (a += b);
document.write(result);
document.write(linebreak);
document.write("Value of a => (a -= b) => ");
result = (a -= b);
document.write(result);
document.write(linebreak);
document.write("Value of a => (a *= b) => ");
result = (a *= b);
document.write(result);
document.write(linebreak);
document.write("Value of a => (a /= b) => ");
result = (a /= b);
document.write(result);
document.write(linebreak);
document.write("Value of a => (a %= b) => ");
result = (a %= b);
document.write(result);
document.write(linebreak);
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>
Tahap 10: Penulisan Kode & Konfigurasi
Value of a => (a = b) => 10
Value of a => (a += b) => 20
Value of a => (a -= b) => 10
Value of a => (a *= b) => 100
Value of a => (a /= b) => 10
Value of a => (a %= b) => 0
Set the variables to different values and different operators and then try...
Tahap 11: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 10;
var b = 20;
var linebreak = "<br />";
document.write ("((a > b) ? 100 : 200) => ");
result = (a > b) ? 100 : 200;
document.write(result);
document.write(linebreak);
document.write ("((a < b) ? 100 : 200) => ");
result = (a < b) ? 100 : 200;
document.write(result);
document.write(linebreak);
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>
Tahap 12: Penulisan Kode & Konfigurasi
((a > b) ? 100 : 200) => 200
((a < b) ? 100 : 200) => 100
Set the variables to different values and different operators and then try...
Tahap 13: Penulisan Kode & Konfigurasi
<html>
<body>
<script type = "text/javascript">
var a = 10;
var b = "String";
var linebreak = "<br />";
result = (typeof b == "string" ? "B is String" : "B is Numeric");
document.write("Result => ");
document.write(result);
document.write(linebreak);
result = (typeof a == "string" ? "A is String" : "A is Numeric");
document.write("Result => ");
document.write(result);
document.write(linebreak);
</script>
<p>Set the variables to different values and different operators and then try...</p>
</body>
</html>
Tahap 14: Penulisan Kode & Konfigurasi
Result => B is String
Result => A is Numeric
Set the variables to different values and different operators and then try...
Selalu gunakan pendekatan deklaratif, validasi input seawal mungkin di boundary layer, dan lakukan logging terstruktur untuk memudahkan observability ketika sistem dijalankan di lingkungan cloud produksi.
Kesimpulan
Dengan mengikuti langkah-langkah terstruktur di atas, implementasi modul Anda akan jauh lebih rapi, aman dari bug umum, serta siap diskalakan ke lingkungan produksi.
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