- 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 - stopObserving() Method
This method unregisters handler and returns element.
Syntax
element.stopObserving(eventName, handler);
Return Value
Returns an HTML element.
Example
<html> <head> <title>Prototype examples</title> <script type = "text/javascript"src = "/javascript/prototype.js"></script> <script> function handler(event) { alert(Event.element(event).innerHTML); } function RegisterFunction() { $('test').observe('click', handler ); alert("Registering the handler"); } function UnRegister() { $('test').stopObserving('click', handler); alert("Now unregistering the handler"); } </script> </head> <body onload = "RegisterFunction();"> <p id = "test">Click me to see the result.</p> <br /> <p>Click the button to unregister the handler.</p> <input type = "button" value = "UnReg" onclick = "UnRegister();"/> </body> </html>
Output
prototype_element_object.htm
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