Eval is evil… So what should I use instead?

Question

An ajax request returns me a standard JSON array filled with my user\'s inputs. The input has been sanitized, and using the eval() function, I can easily create my javascrip

Answer 1

Compare to the command design pattern: http://en.wikipedia.org/wiki/Command_pattern. Given this, you can precisely define the operations a client can execute and your application will be as safe as the underlying interpretation.