浏览器中Javascript的实例评估

Question

From Coffeekup and JAML 's source, (while working on question ), we can see a way to hack ruby's instance eval into Javascript ( JAML author explains more ). It involves decompiling the function, and evaluating it around a with block.

The question is: is this supported all around browsers/js runtimes? I know it works on firefox, opera and chrome, but toString on function is not consistent among platforms , hence the question.

Answer 1

我已经检查过了，它确实适用于所有浏览器。