Exercise 13: Check if URL is Accessible
Problem Statement
Function `isUrlAccessible(url)` banao jo check kare ki URL accessible hai ya nahi.
Example: isUrlAccessible("https://example.com") => true/false
Sample Output:
await isUrlAccessible("https://example.com") => true (if accessible)
await isUrlAccessible("https://invalid") => falseSolution
const isUrlAccessible = async (url) => {
try {
const res = await fetch(url, {method: "HEAD"});
return res.ok;
} catch { return false; }
};Explanation
Overall Goal:
- URL accessible hai ya nahi check karna.
Real world:
- Link validation: URL checks.
- Resource availability: accessibility checks.