Using eval to execute functions

Question

There is something I don\'t understand about how eval works. Suppose I have a function foo:

function foo() {
    console.log(\"test\");
}

A

Answer 1

The main thing you should understand about eval is that it is evil. Don't use it... ever. There is always a way to achieve the same thing by dynamically creating a script document or by using a closure.

Read Douglas Crockford: JavaScript the good parts.