Preload script without execute

Question

Problem

In order to improve the page performance I need to preload scripts that I will need to run on the bottom page.

I

Answer 1

You should have a look at the following links:

http://calendar.perfplanet.com/2011/lazy-evaluation-of-commonjs-modules/

http://tomdale.net/2012/01/amd-is-not-the-answer/

And at how ember.js is using a tool called minispade and preprocessing with ruby to make the process of loading, parsing and running javascript modules fast.