How to Populate Multiple Divs with Ajax Responses in jQuery

Описание: Learn how to effectively use jQuery to populate multiple div elements with data from an Ajax response, enhancing your web applications.
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This video is based on the question https://stackoverflow.com/q/68328264/ asked by the user 'DCJones' ( https://stackoverflow.com/u/1204446/ ) and on the answer https://stackoverflow.com/a/68328351/ provided by the user 'Roko C. Buljan' ( https://stackoverflow.com/u/383904/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Populate Multiple Divs with Ajax Responses in jQuery

In modern web development, the ability to dynamically update the webpage without needing to reload is crucial. One common use case is populating multiple divs with the content received from an Ajax response. In this post, we will explore how to achieve this using jQuery.

The Scenario

Imagine you are developing a web application that displays train departure information. You want to populate multiple divs with details such as time, operator, destination, platform, and estimated time for multiple train services. The data is fetched from a server via an Ajax request, and your challenge is to efficiently update the corresponding divs with this information.

Your Initial Approach

You've set up the necessary HTML structure for the divs:

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

You have also constructed a PHP script that queries the train service information and returns it in a JSON format.

However, the current approach you're using seems to populate only the first div, leading to confusion.

Understanding the Response

When you execute your Ajax call, you receive a JSON response structured something like this:

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

The Improvement

Instead of trying to reference multiple indices directly, you should focus on using a single entry (e.g., data[0]) for your first attempt, or loop through the entries if you need multiple sets of data to be displayed.

Solution Steps

Use a Single Object: If you only want to populate the first set of data, target the first entry directly.

Iterate for Multiple Entries: If you want to display all entries, use a loop to iterate through the data.

Simplified Code Example

Here’s how you can modify your Ajax success function to efficiently populate the divs based on whether you need a single entry or multiple entries.

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

Conclusion

Using jQuery to populate multiple divs with Ajax responses is straightforward once you set up your data handling correctly. Whether you are updating a single set of information or displaying multiple entries, the key is to accurately reference your data and use loops where necessary.

With the above guidance, you're now equipped to enhance your web applications by dynamically displaying data, improving user experience and engagement. Happy coding!