CodeHS Web Development Accreditations 2

Question 1

In CSS, which property controls the space between an element's border and its surrounding elements?

Accepted Answer

margin

Answer

The margin property sets the space outside an element's border, pushing it away from neighboring elements.

Question 2

Which HTML attribute makes a form input field required before submission?

Accepted Answer

required

Answer

The 'required' attribute prevents form submission if the field is empty and triggers a browser validation message.

Question 3

What does the CSS 'z-index' property control?

Accepted Answer

Stacking order of overlapping elements

Answer

z-index determines which element appears on top when elements overlap, with higher values appearing in front.

Question 4

Which JavaScript method removes the last element from an array and returns it?

Accepted Answer

pop()

Answer

Array.pop() removes and returns the last element, mutating the original array.

Question 5

In HTML, which tag is used to link an external CSS stylesheet?

Accepted Answer

<link>

Answer

The tag in the section connects an external CSS file to the HTML document.

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