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How to insert some code to your theme's JavaScript file

Last updated: November 19 2024

Written and researched by experts at Avada Learn more about our methodology

Customizing your Shopify theme’s functionality often requires adding custom JavaScript code. Many store owners find this process challenging, unsure of where to insert code without breaking their theme. This guide focuses on how to insert code into your theme’s JavaScript file in Shopify, a crucial skill for enhancing your store’s interactivity and features.

Whether you’re a beginner or experienced with Shopify, mastering this technique will help you create a more dynamic and personalized online store. Let’s dive in!

Table of Content

About JavaScript files

JavaScript file is referenced by web pages, which allows different pages to reference the code in the one external file. The multiple pages, as well as multiple stores, can have the external links when opening the multiple-purpose stores. In addition, this JavaScript file can add some codes into their themes. In the new browser tab, the causes external links on your online store. Therefore, it helps the Shopify store owners to stop customers from navigating away from their websites online store. The external links as well as URLs, it allows the customers to switch directly to different websites or in social media.

In this guiding article How to insert some code to your theme’s JavaScript file in Shopify, we hope that the simple procedure can be easily approached by the users.

How to insert some code to your theme’s JavaScript file in Shopify

Step 1: Go to Themes

After entering the Shopify app, on the admin’s dashboard, the store owners firstly click to Online Store and Themes.

Step 2: Edit code

In this step, the users need to choose the theme they want to edit, after that, tap Actions and ` Edit code`.

how to insert code to theme javascript file in shopify

Step 3: Click the theme

In the Assets section, the admins can click to choose one of these options following:

theme.js
theme.js.liquid
custom.js

how to insert code to theme javascript file in shopify

Step 4: Paste the code

In addition, in this step, the user can copy and paste following code at the bottom of the file:

var links = document.links;
for (let i = 0, linksLength = links.length ; i < linksLength ; i++) {
  if (links[i].hostname !== window.location.hostname) {
      links[i].target = '_blank';
  }
}

Step 5: Click Save

Click Save.

Conclusion

Inserting custom JavaScript code into your Shopify theme is a powerful way to enhance your store’s functionality and user experience. By following the step-by-step guide provided, you can safely add custom code to your theme’s JavaScript file, unlocking new possibilities for your online store. Take action now to implement these changes and customize your Shopify store’s behavior.

Remember, well-implemented JavaScript can significantly improve your site’s interactivity and user engagement, potentially leading to increased customer satisfaction and sales. As you continue to develop your Shopify store, mastering theme customization techniques like this will prove invaluable in creating a more dynamic and tailored e-commerce platform.

To better understanding of Liquid, online merchants in Shopify can read these following articles such as:

Sam
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Sam Nguyen is the CEO and founder of Avada Commerce, an e-commerce solution provider headquartered in Singapore. He is an expert on the Shopify e-commerce platform for online stores and retail point-of-sale systems. Sam loves talking about e-commerce and he aims to help over a million online businesses grow and thrive.