JavaScript Introduction Quiz 1 / 10 What is the purpose of variables in JavaScript? A) To store data that can be referenced and manipulated B) To define functions and control the flow of code C) To create events and respond to user interactions D) To execute code repeatedly as long as a condition is true 2 / 10 What is the purpose of loops in JavaScript? A) To execute code repeatedly as long as a condition is true B) To control the flow of code based on conditions C) To create events and respond to user interactions D) To define functions and control the flow of code 3 / 10 What is React.js, and what is it used for? A) A JavaScript library for building user interfaces, particularly single-page applications B) A framework maintained by Google for building dynamic web apps C) A lightweight and flexible framework that's easy to learn and integrate D) A JavaScript runtime that allows you to run JavaScript on the server side 4 / 10 Why is learning JavaScript important for web development? A) It's only used for front-end development, and there are better languages for back-end development B) It's a universal web language, allows for interactive websites, and has a large ecosystem of libraries and frameworks C) It's only used for mobile app development, and there are better languages for web development D) It's a compiled language, and there are better interpreted languages for web development 5 / 10 What is the purpose of events in JavaScript? A) To execute code repeatedly as long as a condition is true B) To control the flow of code based on conditions C) To allow code to be executed in response to user interactions D) To define functions and control the flow of code 6 / 10 What are some unique characteristics of JavaScript? A) It runs on the server-side, is compiled, and is only used for front-end development B) It runs on the client-side, is event-driven, and is versatile C) It runs on the server-side, is interpreted, and is only used for back-end development D) It runs on the client-side, is compiled, and is only used for mobile app development 7 / 10 Why is JavaScript important for modern web development? A) It's only used for front-end development, and there are better languages for back-end development B) It's a universal web language, allows for interactive websites, and has a large ecosystem of libraries and frameworks C) It's only used for mobile app development, and there are better languages for web development D) It's a compiled language, and there are better interpreted languages for web development 8 / 10 What is JavaScript, and what is it used for? A) A programming language for building desktop applications B) A markup language for structuring web pages C) A high-level, interpreted programming language for adding interactivity to web pages D) A database management system for storing and retrieving data 9 / 10 What is the purpose of conditionals in JavaScript? A) To execute code repeatedly as long as a condition is true B) To control the flow of code based on conditions C) To create events and respond to user interactions D) To define functions and control the flow of code 10 / 10 What is the purpose of functions in JavaScript? A) To store data that can be referenced and manipulated B) To define blocks of code that perform specific tasks when called C) To create events and respond to user interactions D) To execute code repeatedly as long as a condition is true Your score is The average score is 0% 0% Restart quiz JavaScript QuizzesJavaScript Quiz PreviousNext
