Скачать или смотреть Understanding the Mistake in Redirecting Buttons in Your Web App

Learn how to implement redirection in your web app's login page effectively, resolving issues of buttons doing the same thing.
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This video is based on the question https://stackoverflow.com/q/72671267/ asked by the user 'HelpMePLs' ( https://stackoverflow.com/u/15984026/ ) and on the answer https://stackoverflow.com/a/72671348/ provided by the user 'DanteDX' ( https://stackoverflow.com/u/12639918/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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The Dilemma of Redirecting Buttons in Your Web App

When developing a web application, managing user flow through various pages is crucial. One common frustration developers encounter is creating buttons with distinct purposes that inadvertently perform the same action. This problem often arises in login interfaces where users expect buttons for actions like logging in, registering, and retrieving forgotten passwords, but all buttons submit the same form, leading to confusion and a poor user experience.

In this guide, we will dissect the issue of button functionality on a login page and provide a comprehensive solution so that each button can perform its intended action without overlap.

The Original Setup

Let's take a look at the problematic code first. Here’s a simplified version of the code that outlines our situation:

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

In the code snippet above:

The Log in button triggers the form submission.

The Register and Forgot Password? buttons are assigned JavaScript functions to redirect users to other pages, but they don't cancel the form submission. This ultimately leads all three buttons to perform the same action—submitting the form.

The Solution: A Well-Organized Approach

To ensure each button performs its intended action, we need to make a few adjustments to our HTML structure and JavaScript logic. Let's break it down step-by-step.

Step 1: Change Button Types

Change the type of the buttons that perform actions other than submitting the form. This can be done by setting their type attribute to "button" rather than the default "submit".

Here's how you can modify the buttons:

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

Step 2: Define JavaScript Functions Properly

We will replace the onClick functions as follows to handle the redirection appropriately while separating the login logic:

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

Step 3: Remove Form Action

If you’re using JavaScript to handle the redirection, it’s often better to prevent the form from submitting directly. You may either handle login via an AJAX call or ensure the login button independently triggers the redirect.

Here’s the refined JavaScript structure, ensuring to prevent default behavior where necessary:

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

Final Thoughts

By restructuring your buttons and defining your JavaScript functions properly, you can fix the confusion of overlapping actions in your web application. This way, users will have a clearer understanding of what each button is meant to do, ensuring a better overall experience in your app.

If you follow these straightforward steps, your login page should now work like a charm!

Hope this helps! Happy coding!