Organizing Large Javascript Files

I've started to accumulate quite a few lines of Javascript code for a website. Everything has been in one file so far and that file is becoming impossible to maintain. If there is

Solution 1:

validateEmail like methods are functional in my opinion. By functional I mean, y = f(x). These functions are not changing the state but returning an output which are being computed on the passed input.

You might want to keep all this utility functional methods in a separate module and tag it to a global namespace. Make sure to load this(these) utility module(s) before utilizing them.

You can use require.js for dependency management.