Select, Text, or Textarea field loses focus and its value has been modified.
| Event handler for |
FileUpload, Select, Text, Textarea
|
| Implemented in |
Navigator 2.0 event handler for Select, Text, and TextareaNavigator 3.0: added as event handler of FileUpload
|
Syntax
onChange="handlerText"
Parameters
| JavaScript code or a call to a JavaScript function. |
Description
Use onChange to validate data after it is modified by a user.
Event properties used
type | Indicates the type of event. |
target | Indicates the object to which the event was originally sent. |
Examples
In the following example, userName is a text field. When a user changes the text and leaves the field, the onChange event handler calls the checkValue function to confirm that userName has a legal value.
<INPUT TYPE="text" VALUE="" NAME="userName"
onChange="checkValue(this.value)"> See also
onBlur, onFocus
For general information on event handlers, see "General Information about Events".
For information about the event object, see event.
Last Updated: 10/31/97 16:34:02