Get a Form Element's Label with JavaScript
This JavaScript finds the label for a form element, which is helpful for dynamically highlighting or changing a label based on user input.
Manipulating Element Styles Based on CSS Classes Using Prototype
Example javascript function to change element display properties based on their classes using the Prototype JavaScript Framework.
Dynamically change a form's action with JavaScript
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.
Select Radio Inputs JavaScript
A free javascript function to choose radio inputs with a given value.
Select Some Checkboxes JavaScript Function
A new javascript function that allows you to control checkboxes in groups via a control checkbox.
UseMaps Crash IE When Changed
Dynamically changing an image's usemap property can cause Internet Explorer to crash completely. Here is a solution to changing usemaps with JavaScript.
Select All Checkboxes in a Form with JavaScript
A simple, free javascript to select/unselect all the checkboxes in a form.
Change HTML Styles with JavaScript
Video and source files on using getElementById, getElementsByTagName and object oriented methods to dynamically change HTML element styles in JavaScript.
Compare Values with Arbitrary Comparison Operator
JavaScript for comparing values when the operator to use is variable.
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.