JavaScript

True or False

The '===' operator checks for both value and type equality.

• True

• False

True or False

Arrays in JavaScript are zero-indexed.

• True

• False

Predict the output of the following JavaScript code snippets.

• 8

• Error

• 35

• "35"

 Which of these is not a valid JavaScript loop?

• for

• while

• do...while

• repeat...until

A ________ is a reusable piece of code that performs a specific task.

What is the output of: console.log(3 > 2 > 1)?

• true

• false

• undefined

• Error

Which of the following is not a valid way to declare a variable in JavaScript?

• var x =5;

• let y = 10;

• const z = 15;

• int w = 20;

What is the output of: console.log(1 + "2" + "2")?

• "14"

• "122"

• 5

• "32"

Predict the output of the following JavaScript code snippets.

• 10

• Error

• 11

• 0

Find and fix the error(s) in the following JavaScript code snippets.

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• 
• 
•