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Select Some Checkboxes JavaScript Function

Posted by Shawn Olson on Jul 24, 2006 | Last Updated Nov 10, 2011

A new javascript function that allows you to control checkboxes in groups via a control checkbox.

checkbox control, javascript, advanced

Dynamically change a form's action with JavaScript

Posted by Shawn Olson on Dec 11, 2008 | Last Updated Nov 12, 2011

JavaScript allows you to dynamically change a form's action. To make the function work in the new Google Chrome browser, you need to reference the action differently than you could in other browsers.

javascript, form, action, browser, chrome

Select Radio Inputs JavaScript

Posted by Shawn Olson on Aug 16, 2007 | Last Updated Nov 11, 2011

A free javascript function to choose radio inputs with a given value.

javascript, radio, input, radios, inputs, form, forms, free, smo_selectRadioValues()

Select All Checkboxes in a Form with JavaScript

Posted by Shawn Olson on Apr 20, 2004 | Last Updated Nov 5, 2011

A simple, free javascript to select/unselect all the checkboxes in a form.

checkbox select javascript, checkboxes

Manipulating Element Styles Based on CSS Classes Using Prototype

Posted by Shawn Olson on Dec 3, 2009 | Last Updated Dec 21, 2012

Example javascript function to change element display properties based on their classes using the Prototype JavaScript Framework.

javascript, prototype, css, class, className, classNames, style

Hide Select Menus JavaScript

Posted by Shawn Olson on Nov 7, 2005 | Last Updated Nov 9, 2011

Sometimes it is beneficial to hide select menus with JavaScript, especially on Internet Explorer 6 and older.

hide select menus javascript microsoft internet explorer

Change HTML Styles with JavaScript

Posted by Shawn Olson on Jul 23, 2009 | Last Updated Aug 4, 2009

Video and source files on using getElementById, getElementsByTagName and object oriented methods to dynamically change HTML element styles in JavaScript.

javascript, getElemebtById, getElementsByTagName, reference, explanation, video