Скачать или смотреть Dynamically Change Text Font in a Div Tag with JavaScript and jQuery # output

Learn how to dynamically change the font of text displayed in a div element using jQuery and JavaScript. Follow this simple guide for an interactive experience!
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This video is based on the question https://stackoverflow.com/q/62359019/ asked by the user 'dragon_sa' ( https://stackoverflow.com/u/6269906/ ) and on the answer https://stackoverflow.com/a/62359083/ provided by the user 'Mamun' ( https://stackoverflow.com/u/7461381/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Dynamically Change the Font in a Div Tag

Have you ever wanted to allow users to change the font of text displayed in a web application dynamically? This can enhance user experience and add a personal touch to your project. In this guide, we’ll explore how to accomplish this with a simple script that updates the text as it's typed and allows for font changes via a dropdown list. Let’s dive into solving the problem!

The Problem: Font Change Not Working

In the process of implementing a small application, a common issue arises: the font change functionality does not work despite having set up the scripts correctly. The script aims to take input text, display it in a div, and adjust the font based on user selection. Here’s the problem statement derived from the context:

The developer has a functional input that captures text.

They aim to change the displayed text’s font through a dropdown.

Sample Code Snippet (with Issues)

Here is the original snippet that contains the problems:

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

Solution: Fixing the Font Change Functionality

To correct the issues in the provided code, we must address two key errors that are preventing the desired functionality:

Element Reference Passing: Modify the function to accept the font dropdown element as an argument.

ID Selector Typo: Remove the # symbol when using getElementById(), since it does not require it.

Step-by-Step Fix

1. Modify the myFont() Function

Change your function to accept an argument that represents the font dropdown, which will allow you to dynamically reference the selected font.

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

2. Use jQuery for Simplicity

Since you are already using jQuery, there's a more straightforward way to set the font using jQuery’s css() method:

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

3. Complete Code Example

Here’s the complete, corrected implementation:

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

Conclusion

Now you have a functional script to dynamically change the text font in a div tag as per user selection! By addressing the reference errors and making use of jQuery's simplicity, you can create a more engaging web experience.

Feel free to experiment with different fonts and styles, and enjoy enhancing your web applications!