How to Get the CSS Display Property Value in JavaScript

Learn how to effectively toggle the display property of elements using JavaScript with classes for a better user experience.
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How to Get the CSS Display Property Value in JavaScript: A Complete Guide

Creating dynamic web pages often requires toggling the visibility of HTML elements. One common challenge developers face is retrieving or changing the CSS display property of elements using JavaScript. If you've found yourself struggling with this issue, you're not alone! Let's dive into an effective solution that will help you manage the display properties seamlessly.

The Problem

You may have encountered an HTML setup where you want to display or hide certain content based on user interactions, like clicking buttons or links. Here's what your code might look like:

[[See Video to Reveal this Text or Code Snippet]]

Your CSS for the elements might be something like this:

[[See Video to Reveal this Text or Code Snippet]]

When you click on (show more), you expect the hidden text to display and the (show more) link to hide. However, you find that (show more) remains visible, even after toggling the blocks. This happens because the initial value of the display property is an empty string, making it difficult to determine if the element should be shown or hidden.

Why the Issue Occurs

The Solution: Toggle Classes

Instead of checking the display property directly, a better strategy is to utilize classList to manage your classes. This way, you can define the visibility rules in your CSS and handle them in JavaScript. Here's how you can adjust your JavaScript code:

[[See Video to Reveal this Text or Code Snippet]]

And your CSS remains the same:

[[See Video to Reveal this Text or Code Snippet]]

Updated HTML Structure

Your modified HTML can still keep the same structure:

[[See Video to Reveal this Text or Code Snippet]]

Benefits of This Approach

Simplicity: Using classes to manage display is straightforward and reduces potential errors associated with different display values.

Maintainability: You can easily manage CSS styles separately from JavaScript, making your code easier to read and maintain.

Flexibility: You can add more classes or styles without rewriting JavaScript code, facilitating easier updates in the future.

Conclusion

Handling the visibility of elements through JavaScript can be tricky if you directly manipulate the display property. However, by toggling CSS classes, you can achieve cleaner, more manageable, and more efficient code. Keep this method in mind when working on your web projects, and you'll find it much easier to handle the visibility of elements based on user interaction. Happy coding!