What is Callback? - NodeJS Quiz

Node.JS - Quiz(MCQ)

What is Callback?

Callback is a technique in which a method call back the caller method.

Callback is an asynchronous equivalent for a function.

Both of the above.

None of the above.

Correct Answer : Both of the above.

Recent Updates in Node.JS

Q .

Which of the following Node object property returns the node immediately before a node?

previousSibling

textContent

localName

index

Correct Answer : previousSibling

Q .

Which method is used to compare the placement of two nodes in the DOM hierarchy (document)?

cloneNode()

compareDocumentPosition()

getUserData()

getFeature()

Correct Answer : compareDocumentPosition()