JavaScript Reference/Event Handlers Reference/onError
Содержание
"onError" Example
<source lang="javascript">
<html> <head> <script language="JavaScript">
window.onerror = alert("Errors")
</script> </head> <body> </body> </html>
</source>
"onError" is applied to
<source lang="javascript">
+----------------+--------------------------------------------------------------+ | Applied_To |<img> <object> | | |<style> window | +----------------+--------------------------------------------------------------+
</source>
"onError" Properties
<source lang="javascript">
+----------------+--------------------------------------------------------------+ | Properties |altKey altLeft | | |ctrlLeft returnValue | | |shiftLeft type | +----------------+--------------------------------------------------------------+
</source>
"onError" Syntax and Note
<source lang="javascript">
Note:
This event fires when an object-loading operation fails. This may occur for any number of reasons, such as
1)referencing an object that has not been instantiated, 2)calling a function that does not exist, or 3)referencing a variable that was not declared.
</source>
