Скачать или смотреть How to Build a Dynamic HTML Element with Props in React

Discover how to effectively `create` an SVG button component in React, utilizing props to generate dynamic content seamlessly.
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This video is based on the question https://stackoverflow.com/q/76926981/ asked by the user 'MeltingDog' ( https://stackoverflow.com/u/1433268/ ) and on the answer https://stackoverflow.com/a/76927018/ provided by the user 'RayD-TeamNINJA' ( https://stackoverflow.com/u/22409044/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Building Dynamic HTML Elements in React: Creating a Button with SVG Icons

If you're venturing into React components, you might have faced the challenge of dynamically creating HTML elements based on props. This can be particularly tricky when dealing with special elements like SVGs. In this post, we’ll explore how to build a button with an SVG icon that updates based on the iconString and label props.

The Problem: Creating an SVG Button Component

Imagine you want to create a customizable button component in React that can include an icon next to its text. This is often useful to enhance user experience by providing visual cues with the clickable elements in your application.

In this case, you’re attempting to build an SVG element to display an icon based on an iconString prop, while also having a label prop for the button’s text. However, you may face issues constructing the SVG element.

The Solution: Correcting Your Code

Let’s take a look at the specific code snippet you’re working with, identify errors, and rectify them so you can successfully build your button.

The Original Code Snippet

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

Here’s what you need to modify for it to work correctly.

Key Corrections Made

Use of JSX Fragment: In JSX, if you want to return multiple elements, you need to wrap them in a fragment (<>...</>).

Using Curly Braces: When you want to embed JavaScript expressions inside JSX, utilize curly braces {} to signify that it's a JavaScript expression.

Correcting xlink Reference: Instead of xlink:href, you will need to use xlinkHref in JSX.

The Corrected Version

Here’s the modified code with corrections:

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

Understanding the Changes

Component Naming: Always capitalize the first letter of your component name (e.g., Button) following React conventions.

SVG Structure: The SVG and text label are enclosed within a fragment to group them together effectively. This makes it easier to manage multiple elements in JSX.

Dynamic SVG Reference: The xlinkHref now uses a template string to dynamically set the path based on the iconString prop.

Conclusion

With these adjustments, you're now ready to build a versatile button component in React that incorporates SVG icons seamlessly based on your props. React's capability to handle dynamic content is powerful, and understanding how to manipulate JSX for such needs is essential for any web developer.

Try implementing these changes in your project, and you'll create a more engaging user interface that incorporates both text and icons in buttons effortlessly. Happy coding!