In this presentation I show four different ways to add external JavaScript files to your HTML file:
1) Using window.onload;
2) Adding the script at the end of the document;
3) Using defer attribute;
4) Using async attribute.
You can download the source files and slides:
Dropbox @
https://dl.dropbox.com/u/1813416/Less...
Google Drive @
https://docs.google.com/file/d/0B61-M...