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Select Some Checkboxes JavaScript Function

Posted 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.

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checkbox control, javascript, advanced

Select All Checkboxes in a Form with JavaScript

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

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

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checkbox select javascript, checkboxes

Compare Values with Arbitrary Comparison Operator

JavaScript for comparing values when the operator to use is variable.
Posted on Dec 21, 2012 | Last Updated Dec 21, 2012

JavaScript function and sample code to dynamically compare two values. Accepts numeric and/or alphanumeric values and does a comparison on them based on a comparison parameter.

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javascript, compare, comparison, dynamic, script, operator, math, numeric, alphanumeric, example, free

Manipulating Element Styles Based on CSS Classes Using Prototype

Posted 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.

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

Select Radio Inputs JavaScript

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

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

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

Get a Form Element's Label with JavaScript

Posted on Jul 7, 2009 | Last Updated Nov 12, 2011

This JavaScript finds the label for a form element, which is helpful for dynamically highlighting or changing a label based on user input.

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Dynamically change a form's action with JavaScript

Posted 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.

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javascript, form, action, browser, chrome

Change HTML Styles with JavaScript

Posted 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.

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javascript, getElemebtById, getElementsByTagName, reference, explanation, video

InnerHTML JavaScript Functions

Posted on Jan 13, 2005 | Last Updated Nov 8, 2011

Functions useful for working with named HTML elements with JavaScript.

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javascript object manipulation, named ids
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