npm install sanitizer
var sanitizer = require(‘sanitizer’);
sanitizer.escape(‘your dirty string’); // Escapes HTML special characters in attribute values as HTML entities
var yourParser = sanitizer.makeSaxParser(yourHandler); // Given a SAX-like event handler, produce a function that feeds those events and a parameter to the event handler.
sanitizer.normalizeRCData(‘your dirty string’); // Escape entities in RCDATA that can be escaped without changing the meaning.
sanitizer.sanitize(‘your dirty string’); // Strips unsafe tags and attributes from html.
exports.unescapeEntities(‘your string’); // The plain text of a chunk of HTML CDATA which possibly containing.
code.google.com/p/google-caja/source/browse/trunk/src/com/google/caja/plugin/html-sanitizer.js