Practice Changing Styles (4.3) - JavaScript for the Front End - Full Stack Web Development Basics
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Changing Styles

Practice - Changing Styles

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

How do you change the color of an HTML element using JavaScript?

💡 Hint: Remember the property is `style.color`.

Question 2 Easy

What method do you use to select an element by its ID?

💡 Hint: Think about the function name!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does element.style.color = 'red'; do?

Changes the text of the element
Changes the element color
Add a class to the element

💡 Hint: Think about what 'style.color' affects.

Question 2

True or False: Using classList.add('className') adds a class to an element.

True
False

💡 Hint: Remember what classList is for.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a webpage where clicking a button changes the background color to a random color each time. Write a JavaScript function to achieve this.

💡 Hint: Think about how to convert random numbers into color codes.

Challenge 2 Hard

Write a function to toggle the display of a sidebar when a button is clicked. The sidebar should slide in and out smoothly.

💡 Hint: Review how to apply transitions in CSS and manipulate classes in JavaScript.

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Reference links

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