Liquid Comment Tag

Using Comment Tag

Liquid comment tag hides code in Shopify theme templates.

Overview of Liquid Comment Tag

The Liquid comment tag is a powerful tool in Shopify theme development that allows developers to hide code from being executed or rendered. This is particularly useful for adding notes or temporarily disabling parts of a template without deleting the code.

Syntax of Liquid Comment Tag

The syntax to create a comment in Liquid is straightforward. You simply enclose your comments within {% comment %} and {% endcomment %} tags. Any text or Liquid code placed between these tags will not be processed by the Shopify engine.

Here is the basic syntax:

Practical Example: Hiding Code

Let's say you are working on a Shopify theme and want to hide some HTML code temporarily. You can wrap the code with the Liquid comment tag to prevent it from being rendered.

Consider the following example where we hide a <div> element:

Use Cases for Liquid Comment Tag

The Liquid comment tag can be used in various scenarios, such as:

Adding documentation: Developers can leave comments in the code to explain complex logic or decisions.
Debugging: Temporarily disable parts of the code to isolate issues.
Version control: Keep old code as comments when testing new features, allowing easy rollback if needed.

Best Practices

When using the Liquid comment tag, consider the following best practices:

Keep comments concise and relevant to the context.
Avoid excessive comments that clutter the codebase.
Regularly review and remove outdated comments to maintain code readability.