Javascript Parse/evaluation Order?

This is probably a nub question, but I don't understand why this works: This alerts 'f

Solution 1:

JavaScript, like PHP, tracks top-level function declarations before the code runs. However, you can bypass the auto-function by using assignments:

var a = function a() { }

Solution 2:

A must read about the types of function definitions in JavaScript.

Named Function Expressions Demystified

Solution 3:

Function declarations are hoisted to the top, and therefore declared first and foremost.

You can change this behavior by assigning them to a variable like so

var a = function() {
   // do it
};

This assigns the variable a to an anonymous function.