BlueClosure can analyse any codebase written with JavaScript frameworks like Angular.js, jQuery, Meteor.js, React.js and many more. Realtime Dynamic Data Tainting. BlueClosure Detect uses an advanced Javascript Instrumentation engine to understand the code. By leveraging our proprietary technology the BC engine can inspect any code, no matter how obfuscated it is. Scanning Automation. BlueClosure technology can automatically scan an entire website.