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What is the HTML Validator extension for Visual Studio Code, and how can you use it to debug web development?

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If you are a web developer, you know how important it is to write valid and error-free HTML code. HTML errors can cause your web pages to look broken, fail to load, or not work as expected. To avoid these problems, you need a tool that can check your HTML code for syntax, structure, and compliance with the latest standards.

One such tool is the HTML Validator extension for Visual Studio Code, a popular code editor for web development. This extension can help you debug your web development by highlighting HTML errors and warnings in your code, providing quick fixes and suggestions, and validating your code against various HTML standards and doctypes.

In this article, you will learn how to install, configure, and use the HTML Validator extension for Visual Studio Code, and how it can improve your web development workflow and quality.

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1 Installing the extension

The first step to use the HTML Validator extension is to install it in your Visual Studio Code. To do this, open the Extensions view by clicking on the Extensions icon in the sidebar or pressing Ctrl+Shift+X. Then, search for "HTML Validator" and select the extension by W3C from the results. Click on the Install button and wait for the installation to complete.

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2 Configuring the extension

The next step is to configure the extension to suit your preferences and needs. You can open the Settings view by clicking on the Settings icon in the sidebar or pressing Ctrl+,. Then, search for "HTML Validator" and expand the settings section. Here, you can adjust various options such as the HTML standard or doctype to validate against, the level of errors and warnings to report, the auto-validation mode, the display style of errors and warnings, and any custom rules or filters to apply or ignore. For example, you may choose HTML5 as your standard, report fatal errors and warnings, use manual auto-validation mode, display errors and warnings as icons, and apply or ignore specific attributes, elements, or messages.

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3 Using the extension

The final step in debugging your web development is to use the extension. To do this, open an HTML file in Visual Studio Code and start editing your code. You'll notice errors and warnings highlighted in different colors and symbols, which can be viewed by hovering over or clicking on them. If you want to fix an error or warning, you can use the quick fix feature of the extension by right-clicking and selecting Quick Fix from the context menu. This will provide you with a list of potential solutions or suggestions to apply to your code. Additionally, you can manually validate your code using the command palette feature of Visual Studio Code by pressing Ctrl+Shift+P and typing "HTML Validator". This will give you a list of commands that include validating the current document, all open documents, online using the W3C validator service, or offline using the W3C validator service and displaying the results in a web browser.

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4 Here’s what else to consider

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What is the HTML Validator extension for Visual Studio Code, and how can you use it to debug web development?

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2

3

4

1 Installing the extension

2 Configuring the extension

3 Using the extension

4 Here’s what else to consider

Web Development

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What is the HTML Validator extension for Visual Studio Code, and how can you use it to debug web development?

1

2

3

4

1 Installing the extension

2 Configuring the extension

3 Using the extension

4 Here’s what else to consider

Web Development

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