Security risks of using eval() to execute user input in JavaScript

Question

I\'m planning on throwing together a quick web page for my students to teach them about JavaScript programming. On this page, I\'d like to give them a text box and allow the

Answer 1

It will be running on their own machine. Just don't let them save strings and send to other people -- also don't put the values in the URL via a GET (so that it can be emailed).