Overview

Sanitize.js is a powerful tool for anyone looking to clean up and secure HTML content on their websites. Serving as a whitelist-based HTML sanitizer, it effectively filters out unwanted elements and attributes to ensure that only what you deem acceptable remains. Especially crucial for web applications that handle user-generated content, this tool offers a straightforward way to avoid potential security risks associated with untrusted HTML.

What sets Sanitize.js apart is its ability to work directly with the DOM tree rather than relying on complex regular expressions. This means it can accurately handle malformed or potentially malicious HTML, making it a reliable choice for developers concerned about the integrity and safety of their web content.

Features

Whitelist-based Sanitization: Allows only specified HTML elements and attributes, removing all others to keep your content safe and clean.
Flexible Configuration: With a simple syntax, you can customize which elements and attributes are permissible, accommodating various use cases and requirements.
Four Built-in Modes: Choose from ultra-safe settings to more relaxed configurations that cater to different levels of markup complexity, from text-only to images and links.
Direct DOM Interaction: Operates directly with the DOM tree, ensuring valid output while navigating around malformed HTML issues.
Secure URL Handling: Limits allowed protocols to prevent potential security exploits, thus ensuring safe linking practices.
Custom Attribute Support: Easily add or allow specific attributes for elements, offering high customization for immediate project needs.
Comment Handling Control: Provides an option to allow or disallow HTML comments, although caution is advised due to potential script execution risks.
Maintains Integrity of Original Node: Returns a sanitized document fragment, leaving the original HTML structure untouched while providing a clean output.

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Sanitize.js