- Prototype Tutorial
- Prototype - Home
- Prototype - Short Overview
- Prototype - Useful Features
- Prototype - Utility Methods
- Prototype - Element Object
- Prototype - Number Processing
- Prototype - Strings Processing
- Prototype - Array Processing
- Prototype - Hash processing
- Prototype - Basic Object
- Prototype - Templating
- Prototype - Enumerating
- Prototype - Event Handling
- Prototype - Form Management
- Prototype - JSON Support
- Prototype - AJAX Support
- Prototype - Expressing Ranges
- Prototype - Periodical Execution
- Prototype Useful Resources
- Prototype - Quick Guide
- Prototype - Useful Resources
- Prototype - Discussion
Prototype - toggleClassName() Method
This method toggles element's CSS className and returns element.
Syntax
element.toggleClassName( className );
Return Value
Returns an HTML element.
Example
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { if( !$('mutsu').hasClassName('fruit') ) { // This will return false alert( "Class name is not set" ); } $('mutsu').toggleClassName('fruit'); // This will toggle the class presence if( $('mutsu').hasClassName('fruit') ) { // This returns true alert( "Now Class name is set" ); } } </script> </head> <body> <p>Click the button to see the result.</p> <div id = "mutsu" class = "apple"> <p>This is test division.</p> </div> <br /> <input type = "button" value = "showResult" onclick = "showResult();"/> </body> </html>
Output
prototype_element_object.htm
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