How to Add Icon in Button using JavaScript

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Summary: Learn how to enhance your web buttons by seamlessly integrating icons using JavaScript. Explore step-by-step examples and code snippets for a more engaging user interface.
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Adding Icons to Buttons with JavaScript

Buttons are an integral part of any user interface, and adding icons to buttons can significantly enhance the visual appeal and user experience of your web applications. While HTML and CSS allow you to create stylish buttons, JavaScript can be employed to dynamically insert icons into these buttons. In this guide, we will explore different methods to achieve this, catering to various scenarios.

Method 1: Using HTML and CSS

One straightforward approach is to use HTML and CSS to create a button container and then use JavaScript to inject an icon into it. Let's consider an example where we have a button with an ID of "myButton" and we want to add a "plus" icon:

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In the CSS file (styles.css), style the button and set up the icon:

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Now, in the JavaScript file (script.js), you can dynamically change the icon:

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Method 2: Using Icon Libraries

Another popular method is to utilize icon libraries like FontAwesome or Material Icons. These libraries offer a wide range of icons that can be easily integrated into your buttons.

Include the library in your HTML file:

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Now, you can use the library classes in your button:

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Modify the icon dynamically using JavaScript:

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These two methods provide versatile ways to add icons to buttons dynamically, enhancing the visual appeal and interactivity of your web applications.