F�lle werden durch einen Fallgegenstand als Mitgliedsvariable des Fenstergegenstandes, wie window.event oder ob als Parameter zu deiner Funktion dargestellt

Fallzufuhren sind Javascriptcode, die nicht innerhalb der <script> Umbauten einschlie�en sollen, aber eher, innerhalb der HTML Umbauten, die Javascript wenn Feuer einiger F�lle, wie Bet�tigen einer Taste durchf�hren und deine Maus �ber einer Verbindung verschieben und eine Form, ein etc. einreichen.

Die grundlegende Syntax dieser Fallzufuhren ist: name_of_handler= " Javascriptcode hier "

Z.B.:

<a onclick="alert('Hello World!')" href="javascript:;" class="link">Click Here</a>

The above code produces the following output:

Click Here

Event Functions:

onclick:

The onclick: Event is used to invoke Javascript upon clicking a link or form boxes as in the below example:

The above code produces the following output:

Clicking the above button invokes the alert function. The event handler is added within the event that it handles, like the the form button event tag.

onload:

The onload: function invokes Javascript after the page has finished loading. The below example loads a webpage, then closes it after the image has finished downloading.

onload

Displays an alert box when the page has finished loading.

onmouseover:

The onmouseover: function is used to invoke Javascript when the mouse passes over a link.

<a onmouseover="status='You activated this message when you moused over the link!';return true" onmouseout="status=' '" href="javascript:;" class="link">

Mouse over this link and look the status bar message.

</a>

The above code produces the following output:

Mouse over this link and look the status bar message.

Common Event Handlers:

Given below is a list of common Javascript event handlers:

Event	Occurs when...
onabort	a user aborts page loading
onblur	a user leaves an object
onchange	a user changes the value of an object
onclick	a user clicks on an object
ondblclick	a user double-clicks on an object
onfocus	a user makes an object active
onkeydown	a keyboard key is on its way down
onkeypress	a keyboard key is pressed
onkeyup	a keyboard key is released
onload	a page is finished loading. Note: In Netscape this event occurs during the loading of a page!
onmousedown	a user presses a mouse-button
onmousemove	a cursor moves on an object
onmouseover	a cursor moves over an object
onmouseout	a cursor moves off an object
onmouseup	a user releases a mouse-button
onreset	a user resets a form
onselect	a user selects content on a page
onsubmit	a user submits a form
onunload	a user closes a page

Here below the parameters in which they can be used

Handlers
onAbort
onBlur
onClick
onChange
onError
onFocus
onLoad
onMouseover
onMouseout
onReset
onSelect
onSubmit
onUnload

Can be used with these tags:
images
windows, all form elements, frames
buttons, radio buttons,checkboxes, submit buttons, links
text fields, textareas, select lists
windows, images
windows, frames, and all form elements
body, images
areas, links
links
forms
text fields, textareas
submit button
body