From http://www.w3schools.com (Copyright Refsnes Data)
Position:relative
Position:relative
Position:absolute
Visibility
Z-index
Z-index Vice Versa
Cursors
Watermark
Change background color
onload
onunload
onchange
onsubmit
onreset
onselect
onblur
onfocus
onkeydown
onkeyup
onkeydown vs onkeyup
onkeypress
onmouseover & onmouseout
onclick
ondblclick
onmousedown & onmouseup
onmousemove
Disable right-click
Element access
Attribute change
innerHTML access
Change innerHTML
Change position
onmousemove
onload & onunload
Tooltip
Typewrite message
Bigger text
Scrolling text
Blinking header
Identical forms
Identical forms 2
Change background color of an input field
Change text color of an input field
Insert background image to an input field
Select all check-boxes
Change background color of a button
Change text color of a button
Insert background image to a button
Change background color of a drop-down list
Change text color of a drop-down list
Change background color of a textarea
Change text color of a textarea
Insert background image to a textarea
Preload image
Change the size of an image
Change the source of an image
Change the size & the source of an image
Change the position of an image
Change the background image
Moving image
Drag and drop the image
Image viewer
Shaking image
Digital clock
Text transform
Letter spacing
Blinking link
Shaking link
Random Banner
Drop down navigation (select box)
Top drop down
Always-on-top
Inset borders
Description menu
Description image
Cursor description
Cursor image
Sliding horizontal
Click sliding horizontal
Cursor position
Cursor text
Cursor image
From http://www.w3schools.com (Copyright Refsnes Data)