It is designed as a class, so the allowed globals can be customised. build(code): builds the code into a function, without executing it. preprocess(code): preprocess ...

This library is a modified version of Raphael Graf’s ActionScript Expression Parser. When I wrote the JavaScript Function Plotter, I wanted a better alternative to using JavaScript’s eval function.

In an effort to mitigate a large class of potential cross-site scripting issues in Firefox, Mozilla has blocked execution of all inline scripts and potentially dangerous eval-like functions for ...