Need a system to rate an item on your web page? Let's implement the simple script to do that. This script is very easy to setup and modify, you only copy all JavaScript code into your web page (should save into a file for using on many pages).

Automatically highlight word words on a page when that page was reached by a search engine. If you search, for example, Google for some words, and then follow a JavaScript link from the search results to a searchhi enabled page, the words you searched for will be highlighted on that page.

This JavaScript will help you calculate your training heart rate. That figure is used to determine the target zone for aerobic training.

Ever wanted to drag an element or image around on your Web page? Just attach this drag handler to any number of elements on the page and you will be able to drag them all. Note that the elements must be positioned either relatively or absolutely.

The chmod calculator code is the script to have handy when setting permissions on your cgi files via FTP. 755 anyone?

This JavaScript code date library is a JavaScript extension of the internal Date object which enables various formatting of date/time values. Please view the source code of this script for more.

This is a helpful script for testing the legibility of specific colour combinations while designing web pages. This JavaScript allows users to select a background colour for the web page and place text in different colour, size, and typeface combinations on top of it thus enabling them to instantly check various colour schemes. This is a timesaving tool for web designers.

Ohm's Law calculator for electronics enthusiasts. Calculates Voltage, Current, Resistance, and Power.

This search form gives you the possibility to search the 42 most popular search engines and directories. The form is transparent, so you can paste it right on your Web site to fit your design ... and it is only one line!

This JavaScript converts special HTML characters to their entities version inside user entered data such as a TEXTAREA before the form is submitted.