propertyName Property | Internet Development Index |
Sets or retrieves the name of the property that changes on the object.
Syntax
event.propertyName [ = sProperty ]
Possible Values
sProperty String that specifies or receives the name of the property whose value changes during the event. The property is read/write. The property has no default value.
Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see About Dynamic Properties.
Remarks
You can alter the value of propertyName by using it with the onpropertychange event.
Example
This example uses the onpropertychange event to change the value of the propertyName property.
<HEAD> <SCRIPT> function changeProp() { btnProp.value = "This is the new VALUE"; } function changeCSSProp() { btnStyleProp.style.backgroundColor = "aqua"; } </SCRIPT> </HEAD> <BODY> <P>The event object property propertyName is used here to return which property has been altered.</P> <INPUT TYPE=button ID=btnProp onclick="changeProp()" VALUE="Click to change the VALUE property of this button" onpropertychange='alert(event.propertyName + " property has changed value")'> <INPUT TYPE=button ID=btnStyleProp onclick="changeCSSProp()" VALUE="Click to change the CSS backgroundColor property of this button" onpropertychange='alert(event.propertyName + " property has changed value")'> </BODY>
Standards Information
There is no public standard that applies to this property.
Applies To
event
See Also
onpropertychange