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

There is really no serious risk here. For example, open up firebug on this page and type in the console: eval("alert('hello');");, problem? Not really.

For demo purposes this is no big deal.