EVENT
HANDLER: onBlur
onBlur
= myJavaScriptCode
Event handler for Button, Checkbox,
FileUpload, Layer,
Password, Radio,
Reset, Select,
Submit, Text,
TextArea, Window.
The onBlur event handler executes the specified JavaScript code
or function on the occurance of a blur event. This is when a window, frame
or form element loses focus. This can be caused by the user clicking outside
of the current window, frame or form element, by using the TAB key to
cycle through the various elements on screen, or by a call to the window.blur
method.
The onBlur 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.
The following example shows the use of the onBlur event handler
to ask the user to check that the details given are correct. Note that
the first line is HTML code.
Code:
Enter email address <INPUT TYPE="text" VALUE=""
NAME="userEmail" onBlur=addCheck()>
<script type="text/javascript" language="JavaScript">
function addCheck() {
alert("Please check your email details are correct
before submitting")
}
</script> |