
How do I change the tab icon on Chrome with Javascript? If you want to add a little personality to your website, change the tab icon on Chrome, also known as the favicon, is a great way to do so. This can be easily accomplished with JavaScript on Chrome. In this article, we’ll show you how to change the tab icon on Chrome with JavaScript.
Introduction to the Favicon
Before we dive into how to change the tab icon on Chrome, let’s take a moment to discuss what the favicon is and its importance. The favicon is the small image that appears next to the website title in the browser tab. This image helps users identify your website among multiple open tabs, and it can also be used as a branding element.
Finding or Creating a Favicon
Before we start writing our JavaScript code, we need to have a favicon to replace the default one. You can either create your own favicon using an image editing software like Photoshop, or you can find a favicon online. There are many websites that offer free or paid favicons, such as IconFinder or Flaticon.

Once you have your favicon, save it in the root directory of your website and make sure it’s named “favicon.ico”.
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Writing the JavaScript Code
Now that we have our favicon ready, let’s start writing the JavaScript code to change the tab icon on Chrome. First, we need to select the “head” element of our HTML document. We can do this using the following code:
const head = document.querySelector('head');
Next, we create a new “link” element and set its “rel”, “type”, and “href” attributes. The “rel” attribute must be set to “icon”, the “type” attribute to “image/x-icon”, and the “href” attribute to the location of our favicon:
const link = document.createElement('link');
link.rel = 'icon';
link.type = 'image/x-icon';
link.href = 'path/to/your/favicon.ico';
Finally, we append the “link” element to the “head” element:
head.appendChild(link);
And that’s it! Now, when the JavaScript code runs, the favicon in the browser tab will be replaced with our custom one.

Adding the JavaScript Code to Your Website
To make sure our JavaScript code runs when the page loads, we need to add it to our HTML document. We can do this by adding the following code in the “head” section of our HTML document:
<head>
<script>
const head = document.querySelector('head');
const link = document.createElement('link');
link.rel = 'icon';
link.type = 'image/x-icon';
link.href = 'path/to/your/favicon.ico';
head.appendChild(link);
</script>
</head>
Replace “path/to/your/favicon.ico” with the actual path to your favicon.

Final Thoughts
Change the tab icon on Chrome with JavaScript is a simple way to add a personal touch to your website. By following the steps outlined in this article, you can easily replace the default tab icon with your own custom favicon. Don’t forget to test your website on different browsers to ensure your custom tab icon is visible to all users.
FAQs
- Can I use any image format for my favicon?
- No, the favicon must be in the ICO format.
- How can I test my custom tab icon on different browsers?
- You can use a service like BrowserStack or cross-browser testing tools like Sauce Labs.
- Is it possible to change the tab icon dynamically based on user actions?
- Yes, you can use JavaScript to dynamically change the “href” attribute of the “link” element.
- What happens if I don’t have a favicon?
- If you don’t have a favicon, the browser will display a default icon.
- Can I use JavaScript to change the title of the browser tab?
- Yes, you can use JavaScript to change the title of the browser tab by setting the “document.title” property.