5 Questions
What is the primary role of JavaScript in web development?
To add interactivity to web pages
What is the purpose of declaring variables in JavaScript?
To store and manipulate data in a program
What is the difference between null and undefined in JavaScript?
Null is an intentional absence of value, while undefined is an unintentional absence of value
What is the result of combining arithmetic and assignment operators in JavaScript?
An expression that performs a calculation and assigns the result to a variable
What is the purpose of a switch statement in JavaScript?
To make a decision based on multiple conditions
Test your knowledge of JavaScript fundamentals, including its history, syntax, data types, operators, conditional statements, and loops. Perfect for beginners in web development.
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