MCSD MCSD Programming in HTML5 4

Question 1

Which Web Storage API stores data with no expiration and persists across browser sessions?

Accepted Answer

localStorage

Answer

`localStorage` stores key-value pairs persistently with no expiration until explicitly cleared, surviving browser restarts.

Question 2

What is the correct way to create a Promise that immediately resolves with the value 42?

Accepted Answer

new Promise(resolve => resolve(42))

Answer

`new Promise(resolve => resolve(42))` creates a Promise and immediately calls `resolve`, settling it with the value 42.

Question 3

Which CSS property controls the stacking order of positioned elements?

Accepted Answer

z-index

Answer

`z-index` determines the stacking order of positioned elements; higher values appear in front of lower values.

Question 4

In HTML5, which element is used to group a set of `

Accepted Answer

Answer

`` groups related options inside a `

Question 5

What does the CSS `position: sticky` value do?

Accepted Answer

Positions the element relative to its nearest scrolling ancestor until a threshold is met

Answer

`position: sticky` behaves like `relative` until the element reaches a scroll threshold, then acts like `fixed` within its scroll container.

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