Javascript properties
You
Name:
Width: http://www.w3schools.com/jsref/prop_style_width.asp
ID: http://www.w3schools.com/jsref/prop_html_id.asp
Value:
For the assignment you need to explain how javascript cannot really be hidden and that scripts placed on other websites are readily available to be copied. Try to find a script on another site and put it in your site to explain.