sanitizer content nodejs

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To sanitize content in Node.js, you can follow these steps:

1. Install the sanitize-html package: Use npm (Node Package Manager) to install the sanitize-html package by running the following command in your Node.js project directory: npm install sanitize-html

2. Import the sanitize-html module: In your Node.js file, import the sanitize-html module using the require function: javascript const sanitizeHtml = require('sanitize-html');

3. Set up sanitization options: Define the options for sanitizing the HTML content. You can specify which HTML tags and attributes are allowed or disallowed, as well as any additional sanitization rules. For example: javascript const options = { allowedTags: sanitizeHtml.defaults.allowedTags.concat(['img']), // Allow all default tags plus <img> allowedAttributes: { 'a': ['href', 'target'], // Allow href and target attributes on <a> tags 'img': ['src'] // Allow src attribute on <img> tags } };

4. Sanitize the content: Pass the content you want to sanitize as a string to the sanitizeHtml function, along with the sanitization options defined in the previous step. The function will return the sanitized content. For example: javascript const sanitizedContent = sanitizeHtml(content, options);

5. Use the sanitized content: You can now use the sanitized content as needed in your Node.js application, knowing that any potentially harmful or unwanted HTML tags or attributes have been removed.