CodeHS Web Development Accreditations 3

Question 1

Which HTTP status code indicates a resource was not found on the server?

Accepted Answer

404

Answer

A 404 status code means the requested resource could not be located on the server.

Question 2

In JavaScript, what does 'typeof null' return?

Accepted Answer

'object'

Answer

Due to a legacy bug in JavaScript, typeof null returns 'object' even though null is not an object.

Question 3

Which CSS property is used to make text bold?

Accepted Answer

font-weight

Answer

font-weight controls the thickness of text characters; the value 'bold' or '700' makes text bold.

Question 4

What does the HTML <nav> element semantically represent?

Accepted Answer

A navigation bar with links

Answer

The <nav> element is a semantic HTML5 tag that marks a section containing major navigation links.

Question 5

Which JavaScript keyword declares a variable that cannot be reassigned?

Accepted Answer

const

Answer

Variables declared with 'const' cannot be reassigned after their initial declaration.

(CodeHS) Code High School Certifications Practice Test