JavaScript Fundamentals Quiz

JavaScript Fundamentals Quiz

Professional Development

29 Qs

quiz-placeholder

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JavaScript Fundamentals Quiz

JavaScript Fundamentals Quiz

Assessment

Quiz

Information Technology (IT)

Professional Development

Easy

Created by

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29 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'let' keyword in JavaScript?

To declare a function

To declare a variable with global scope

To declare a constant variable

To declare a variable with block scope

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a reserved word in JavaScript?

function

variable

constant

define

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the camelCase convention refer to?

Using all uppercase letters

Capitalizing the first letter of each word except the first

Using underscores between words

Writing variables with spaces

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operator is used for exponentiation in JavaScript?

^^

exp

^

**

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 'typeof null' in JavaScript?

'object'

'boolean'

'null'

'undefined'

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method converts a string to an integer in JavaScript?

String

parseFloat

Number

parseInt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between '==' and '===' in JavaScript?

'==' checks value only, '===' checks type only

'==' checks value and type, '===' checks value only

'==' checks type only, '===' checks value only

'==' checks value only, '===' checks value and type

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