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19-error-handling.html
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19-error-handling.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Error Handling</title>
</head>
<body>
<script>
class MathUtil {
static sum(...numbers) {
if (numbers.length === 0) {
throw new Error("Total parameter harus lebih dari 0");
}
let total = 0;
for (const number of numbers) {
total += number;
}
return total;
}
}
try {
console.info(MathUtil.sum());
console.info("Eko");
} catch (error) {
console.info(`Terjadi error : ${error.message}`);
} finally {
console.info("Program selesai");
}
console.info("Khannedy");
class Counter {
#counter = 1;
next() {
try {
return this.#counter;
} finally {
this.#counter++;
}
}
}
const counter = new Counter();
console.info(counter.next());
console.info(counter.next());
console.info(counter.next());
console.info(counter.next());
console.info(counter.next());
</script>
</body>
</html>