Set a JavaScript stopwatch that alarms when it reaches a certain time.

Don't worry any more about editing the code by hand, use our code generator! Fill out the date you would like to countdown to and click the generate button. Just add this generated code to your site, or even have us mail it to you! Neat!

Countdown from any date in digital numbers. Displays days, hours, minutes, and seconds while updating every second. A must see!

This script takes a number and converts it to its English equivalent. If you enter 45678 in the number box and click the appropriate button, Forty Five Thousand Six Hundred Seventy Eight appears in the lower box.

Pass a range of numbers to this JavaScript function and it will return a random number within that range. For example, passing the range of [1, 158] would return a number such as 37, 141, 18, etc. Awesome!

The computer will thinks of a random number between 0 and 49. Just guess it! Higher and lower hints included!

This script will format a telephone number entered into a text box. Numbers can be entered as 1234567890 and will automatically be formatted as (123)456-7890.

Play the JavaScript version of Guess-A-Number. First, select a number range and then try to guess the number the computer has chosen.

Learn how to generate a random number in java script