Programming MCQ

Correct answer: The page stays responsive while waiting for slow operations. Network waits must not freeze the interface.

Correct answer: await res.json() after checking res.ok. Check ok, then parse — the two-step every API call follows.

Correct answer: try/catch around the await calls. Graceful failure paths are part of the feature, not an extra.

Correct answer: JSON.stringify on save and JSON.parse on load. localStorage holds strings; serialisation bridges objects.

Correct answer: Secrets and tokens — any page script can read it. Client storage is not secure storage.

HTML, CSS, JavaScript, PHP and MySQL programming questions.

Q31. Asynchronous code exists so that: Medium

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Q32. The correct unwrap of a fetch response body is: Medium

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Q33. Network errors in async functions are handled by: Medium

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Q34. Storing an object in localStorage requires: Medium

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Q35. localStorage is inappropriate for: Medium

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Q36. A submit button during a fetch should be: Medium

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Q37. PHP code executes: Medium

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Q38. Which correctly outputs a variable inside a string? Medium

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Q39. PHP's most commonly used loop for arrays is: Medium

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Q40. An associative array uses: Medium

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