Anatoly Lubarsky

Javascript Tips

Javascript - toggle (show/hide elements)

toggle is a function that provides show/hide elements functionality in dynamic HTML. It is very famous, has long history and is used just a lot [ ... ]

posted @ Saturday, September 22, 2007 11:51 PM | Your thoughts (0)

Javascript Tip: Detect Client Time Zone

Many times we just need to gather visitor's time zone information. Below is a short script the result of which could be stored in a cookie or a hidden field. Function returns client GMT offset hours [ ... ]

posted @ Wednesday, August 08, 2007 3:02 AM | Your thoughts (0)

Javascript Tip: Add Item to Combobox Dynamically

The following javascript function demonstrates how to add new items to combobox in HTML. The solution utilizes appendChild of select and createElement of document functions accordingly. Works both in Internet Explorer and Firefox [ ... ]

posted @ Tuesday, June 05, 2007 4:04 AM | Your thoughts (0)

Javascript: Open Pop-Up at Center of Client Window

In javascript - window.open opens a pop-up that by default opens at random location of the window. Below is a javascript function that will open a pop-up exactly at the center of the client window [ ... ]

posted @ Monday, January 08, 2007 12:40 AM | Your thoughts (0)

Javascript: How To Set Cursor to Textbox End

In order to set cursor to end of textbox in HTML need to set element value after setting the cursor. The cursor will then be moved with it as the new value is written and end up at the end [ ... ]

posted @ Friday, January 05, 2007 1:14 AM | Your thoughts (1)

Javascript Tip: Catch Browser Closing Event

Occasionally there is a need to catch browser closing event. This is a small javascript trick that shows how to catch IE browser closing [ ... ]

posted @ Wednesday, December 29, 2004 12:48 AM | Your thoughts (6)

Javascript: Remove Upper Chars from String

Function in javascript that uses toUpperCase and removes all upper chars from the input string. [ ... ]

posted @ Tuesday, July 13, 2004 6:18 AM | Your thoughts (0)

Javascript: How To Change Browser Scrollbars Colors

Small javascript tip that demonstrates how to change scrollbars colors. Please pay attention to the correct scroll colors attributes names (so they can be accessed using javascript) [ ... ]

posted @ Tuesday, July 13, 2004 5:34 AM | Your thoughts (0)

Javascript: How to Close Browser Window (window.close()) Without Warning

Ever wanted to close browser programmatically ? Called window.close() from the main browser window and got a warning message ? Small javascript trick demonstrates how to work-around window.opener query and avoid warning closing browser window [ ... ]

posted @ Thursday, June 10, 2004 1:22 AM | Your thoughts (46)

HowTo Delete Cookie Using Javascript

Usually server-side code on dynamic web pages is responsible to manage client cookies (store and delete them). However it is also possible to provide a certain control for cookie management from client code. This is a small javascript trick that demonstrates how to delete cookie using client code. Cookie simply is updated as expired and removed [ ... ]

posted @ Sunday, May 23, 2004 5:55 AM | Your thoughts (0)

Javascript Tip: Adjust iframe Size to Fit its Contents

A small example that demonstrates how to adjust iframe size to fit its contents (iframe source HTML can be very big) [ ... ]

posted @ Sunday, May 23, 2004 5:31 AM | Your thoughts (2)

Javascript: Convert RGB Color to HTML Hex

HTML needs the RGB (Red, Green, Blue) values of color converted to Hex. Javascript function that demonstrates how to convert RGB values to hex string [ ... ]

posted @ Tuesday, May 11, 2004 7:55 PM | Your thoughts (0)

Obtain Browser Capabilities Using Javascript (clientCaps)

The ideal way to obtain client browser capabilities information is from a client-side script. This method minimizes server round trips, frees up server resources, and, consequently, boosts performance. It also provides information about browser settings and user preferences that cannot be obtained in any other way. Code snippet that demonstrates how to obtain browser capabilities using javascript [ ... ]

posted @ Tuesday, May 11, 2004 7:52 PM | Your thoughts (1)

Javascript: Maintaining Page Scroll Position

Javascript trick that demonstrates how to maintain page or div scroll position during refresh. Uses scrollTop element attribute. IE and Firefox browser support [ ... ]

posted @ Thursday, December 11, 2003 4:56 AM | Your thoughts (2)