Скачать или смотреть Creating a Dynamic Animation Effect for Random String Updates with JavaScript

Discover how to implement a unique animation effect for random string updates using JavaScript's `setInterval`, ensuring an engaging user experience.
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This video is based on the question https://stackoverflow.com/q/63306870/ asked by the user 'lf80' ( https://stackoverflow.com/u/8611177/ ) and on the answer https://stackoverflow.com/a/63306958/ provided by the user 'doğukan' ( https://stackoverflow.com/u/10698741/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Dynamic Animation Effect for Random String Updates with JavaScript

When creating interactive web applications, you often want to enhance user engagement with animations. In this guide, we'll tackle a common challenge: how to create a smooth animation every time a randomly selected string appears on the web page.

The Problem

Imagine you have an array of strings that you want to display randomly on your webpage at set intervals. You may want to introduce a visual delight using animations to accompany each string change, making the experience more engaging for users.

Example Structure

In our scenario, we start with the following setup:

JavaScript Array:

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

Update Function:

This function selects a random string from strArray and updates it to an HTML element every 6000 milliseconds.

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

HTML Setup:

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

CSS Animation:

We have applied a compression animation which modifies the letter-spacing of the string in the div.

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

This setup works beautifully when the page loads. However, the problem arises when you try to update the string at intervals; the animation does not automatically restart.

The Solution

Triggering Animation on String Update

To ensure the animation restarts with each new string, we need to modify the animation name each time the string changes. This can be achieved fairly easily with a simple adjustment to the update function.

Here is the revised code you would implement:

JavaScript Code:

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

CSS Animation:

Ensure that the CSS remains similar but responsive to the changes in JavaScript.

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

HTML Setup:

Your HTML remains unchanged.

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

Conclusion

By changing the animation name temporarily before setting it back to the original, we effectively restart the animation with each string update. This method enhances the interactivity and visual appeal of your application. So go ahead, implement this in your projects and watch as your strings come alive with dynamic animations!

Happy coding!