JavaScript » eventhandler » onload
- Syntax:
- onload = myJavaScriptCode
Event handler for Image, Layer and Window.
The onload event handler executes the specified JavaScript code
or function on the occurance of a Load event. A Load event occurs when
the browser finishes loading a window or all the frames in a window.
The onload event handler uses the following Event
object properties.
type - this property indicates the type of event.
target - this property indicates the object to which the event
was originally sent.
width - when the event is over a window, not a layer, this represents
the width of the window.
height - when the event is over a window, not a layer, this represents
the height of the window.
Examples
Code:
<body onload = "changeVal()" >
<form action="" method="POST" id="myForm" >
<input type="text" name="myText" >
<script type="text/javascript" language="JavaScript">
s1 = new String(myForm.myText.value)
function changeVal() {
s1 = "Greetings!"
myForm.myText.value = s1.toUpperCase()
}
</script>
</form>
</body>Explanation:
This example shows the use of the onload event handler to display a message in the text box.
See Also:
