Is It Possible to Sandbox JavaScript Running In the Browser?

Question

I\'m wondering if it\'s possible to sandbox JavaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML

Answer 1

An independent Javascript interpreter is more likely to yield a robust sandbox than a caged version of the builtin browser implementation. Ryan has already mentioned js.js, but a more up-to-date project is JS-Interpreter. The docs cover how to expose various functions to the interpreter, but its scope is otherwise very limited.