Скачать или смотреть How to Dynamically Use the name or id Attribute in Vue JS for Navigation

Explore how to effectively use the `name` or `id` attribute values in Vue JS to map selectable options to corresponding data properties for streamlined navigation in your SPA applications.
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This video is based on the question https://stackoverflow.com/q/65793999/ asked by the user 'Abdul Raheem Ghani' ( https://stackoverflow.com/u/4221297/ ) and on the answer https://stackoverflow.com/a/65794137/ provided by the user 'Amaarockz' ( https://stackoverflow.com/u/11281152/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Dynamically Use the name or id Attribute in Vue JS for Navigation

When working on a Single Page Application (SPA) using Vue.js, you might come across situations where you need to navigate to different pages based on user selections in dropdown menus. In this guide, we will explore how to utilize the name or id attribute values in your select tags as data properties in Vue.js. Let's break down the solution step by step, ensuring you're well-equipped to implement this in your projects.

Understanding the Problem

You may have a dropdown (<select>) in your application, and you want to perform a navigation action when the user changes their selection. The options provided in this dropdown are generated dynamically from a Vue data object. In your case, you are aiming to refer to the data properties based on the name or id of the selected dropdown.

Example Scenario

Consider you have two dropdowns in your Vue.js component: one for "participants" and another for "positions". Each dropdown contains a list of options to which users can navigate when selected. Specifically, you want the following:

To reference a list of data variables based on the name of the dropdown.

To utilize a single method that responds to these dropdown changes and performs redirection based on the selected option.

Setting Up Your Component

First, let's set up the basic structure of your component:

Vue Data Properties

You have defined your data properties as follows:

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

The Dropdown HTML

Next, here is how your dropdown could look using the defined data properties:

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

Change Route Method

Now here's the method where the magic happens, allowing navigation based on the selected dropdown option:

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

The Solution: Accessing Data Properties Dynamically

To achieve dynamic access to the data properties based on the name or id, all you have to do is make a slight adjustment to your changeRoute method.

The Correction

Instead of referencing the name directly as this.name[value].linkText, you would make this change:

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

What This Does

this[name] accesses the corresponding data property based on the dropdown's name attribute.

[value] retrieves the specific option chosen by the user from that data array, allowing you to subsequently access the desired property (linkText) to perform your navigation action.

Conclusion

Using the name or id attribute values as data property keys in Vue.js provides a dynamic and efficient way to handle dropdown changes and corresponding navigation. By following the steps outlined above, you can simplify your component's logic and streamline user interactions within your application.

Now you're all set to implement this in your SPA project! If you have any further questions or need assistance, feel free to reach out. Happy coding!