Automatically removes specified characters from input box. Good for fields that require only text/number inputs. Easily modified to accept only text or only numerals.

This JavaScript code creates a message box and shows an alert after the page gets downloaded. Use the test cases to invoke methods of the message box directly.

Display a few words in a form field and when focus is given to the field, the words will disappear. Great for providing instructions in a small space.

This JavaScript will change text you type from lower to upper and back. In addition, this JavaScript code will be effected as soon as you type.

Use this JavaScript to give your visitors a little scare. Some of the more gullable visitors will even close be convinced that their computer has been completely contaminated.... Just another neat JavaScript effect.

Entertain your visitors to a quick game of Tic-Tac-Toe. Comes with artificial intelligence and the ability to keep score.

Flash cards were pretty good math practice. But, they were always the same math problems, over and over. Lo and behold, JavaScript to the rescue! Just select the difficulty level then click the type of problem you want to practice with, (add, subtract, multiply, and divide) and JavaScript will give you a problem. And, a built-in score checker grades you along the way!

Great practice for elementary-aged students just learning their math skills, or for anyone wishing to practice a bit!

Keypad numbered arrows with numlock ON for movement.

Choose any two digit number, add both digits together and then subtract the total from your original number.

Another script to create the Tic Tac Toe game by using image.