Скачать или смотреть Mastering SweetAlert2 for Redirecting with GET Parameters in JavaScript

Learn how to effectively redirect to another webpage using `SweetAlert2` and pass information via GET parameters in JavaScript.
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This video is based on the question https://stackoverflow.com/q/62814596/ asked by the user 'Lunaria' ( https://stackoverflow.com/u/13898582/ ) and on the answer https://stackoverflow.com/a/62815105/ provided by the user 'Marcel' ( https://stackoverflow.com/u/2215241/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Mastering SweetAlert2 for Redirecting with GET Parameters in JavaScript

When developing web applications, you often need to interact with users in an engaging way. A common requirement is to confirm actions like deletions with a modal interface. In this post, we will explore how to redirect users to another webpage with SweetAlert2, passing along important data through GET parameters. Let's dive into the challenge and how to resolve it step by step.

The Challenge

You may encounter a scenario where you want to confirm a user action, such as purging or deleting an account, using a beautiful modal from SweetAlert2. In the given scenario, the goal is to redirect the user to deleting.php?ID=something, where something is a dynamic ID pulled from a SQL database. Here’s a summary of what you want to achieve:

Use a button action to trigger a confirmation modal.

Upon confirmation, redirect the browser to the deletion page with the appropriate ID.

Setting Up the HTML and PHP

Let's first consider the HTML and PHP section where you create the buttons. Your PHP code should generate the action buttons with unique IDs from the database:

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

In this example, we generate action buttons where the "Purge" action calls the JavaScript function oof(id), passing the unique ID of the record.

Implementing SweetAlert2 for Confirmation

Now, we will implement the SweetAlert2 modal that confirms whether the user wants to proceed with the action:

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

Key Changes Explained:

String Concatenation: Ensure you use the + operator for adding the MyId to your URL string, as JavaScript uses this method for concatenation, unlike PHP which uses the dot ..

The Flow of Execution:

The user clicks on the "Purge" link which triggers the oof(id) function.

The confirmation modal appears asking for confirmation.

If the user clicks "Yes, purge account", they are redirected to deleting.php with their corresponding ID.

Activating SweetAlert2 using GET Parameters

You can also trigger SweetAlert2 modals based on GET parameters passed in the URL. Here's how you can do that:

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

This code checks the URL for a specific parameter, and if it exists, it can execute any relevant logic, including displaying the SweetAlert modal.

Conclusion

Integrating SweetAlert2 to handle redirects with dynamic information via GET parameters enhances user interaction on your web application. By following the steps outlined above, you can easily implement confirmation modals for sensitive actions like deletions while sending necessary parameters to the target PHP script.

Feel free to reach out with any questions or comments you may have regarding this code or any other issues you face while developing your applications!