HTML Comments
HTML comments are used to add notes or annotations to an HTML document. They are not displayed on the web page but can be viewed in the source code. Let's take a look at how to add comments in HTML.
Key Points About HTML Comments
- Comments are ignored by web browsers.
- They aid in code readability and documentation.
- HTML comments are denoted by
<!-- content -->. - The shortcut key for commenting out code is Ctrl + /.
- HTML supports both single-line and multi-line comments.
Types of Comments in HTML
HTML primarily supports two types of comments:
Single-line Comments
Single-line comments are used to add comments on a single line. They start with <!-- and end with -->. Single-line comments are ideal for short notes or annotations.
Example:
<!-- This is a single-line comment -->Multi-line Comments
Multi-line comments span across multiple lines, making them ideal for detailed explanations or temporarily disabling blocks of code.
Example:
<!--
This is a multi-line comment.
It spans multiple lines.
-->Best Practices for Using Comments
- Use comments to explain complex code or provide context.
- Avoid excessive comments that state the obvious.
- Update comments when modifying code to maintain accuracy.
- Use comments to disable code temporarily during testing or debugging.
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HTML Attributes
HTML attributes provide additional information about an element. They are used to modify the behavior or appearance of an element. Let's take a look at some common HTML attributes.
HTML Elements
HTML elements are the building blocks of an HTML document. Each element has a specific purpose and can be nested within other elements. Let's take a look at some common HTML elements.