Prototype - observe() Method

This method registers an event handler on element and returns element.

Syntax

element.observe(eventName, handler[, useCapture = false]);

Return Value

An HTML element.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function RegisterFunction() {
            $('test').observe('click', function(event) {
               alert(Event.element(event).innerHTML);
            });
         }
      </script>
   </head>

   <body onload = "RegisterFunction();">
      <p id = "test">Click me to see the result.</p>
   </body>
</html>

Output

prototype_element_object.htm
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