JavaScript language does not provide us a function for obtaining elements by class, only by id, name, and tag name. This JavaScript snippet will accomplish that, and includes optional arguments with defaults and support for multiple classnames in any order. It works in Internet Explorer, Firefox, Opera, Safari and Mac.

If your visitor is using Internet Explorer as their browser, this script will politely suggest Firefox as an alternative browser, maybe your users will remove IE like you; it is not windows notification, browser alert only. Just add it to the head of your page. Very simple!

This browser sniffer detects all the major browsers currently out there, and passes the results on as variables to facilitate your browser detection needs. It differentiates between Windows, Mac and Linux, and the most commonly used DHTML browsers - IE4/5/6, Netscape 4/6/7/other Gecko, Konqueror 2.2+, Safari, Opera 5/6/7. All other browsers are grouped together under a single exclude variable, to protect them from complex scripting.

In order to display detailed information about some object; such as member or product; you can use simple JavaScript code. This is upgraded version of Click Radio Button to View Information; this script display image for each item.

If you want to save the space on your web pages, let use this JavaScript. When users click any radio button, its corresponding information is automatically displayed. A simple and quick JavaScript but useful and high customization.

Also see: Click Radio Button to View Information with images

Are you creating a diet Web site? Are you using the Weight Watchers Points plan to lose weight? If so, this little calculator might just come in handy. A simple but quick method to figure WW points.

Let use this multiple select script if you want to create select boxes that relate to anothers, by onchange event. Choose a value in the first select options and the script will precess and display the available select values in the second box to match your selection automatically. Easy to use, with full comments in source code.

You can also see more for multiple select, dynamic dropdown,...

This function script will return an array of tags based on DOM element, tag, and class name. For example, getElementsByClassName(document, 'tr', 'info') will return to you an array of all "tr" tags under the document node having the "info" class.

Add this JavaScript into your website for checking download speed, it will estimate the necessary time to dowload a file with several different download speeds, connection types and internet speeds, speed bandwidths. Very easy to customize and use, check download speed. Try it now!

Use this JavaScript to make sentence words that users enter correctly, meaning the beginning of each sentence is capitalized, the rest of the sentence is lower case, if they are not proper noun. Let enter some word sentences, sentence examples to test it.