This method is called on the error handler when an error occures.
"Experimental - subject to change"
|domError ||The error object that describes the error, this object may be reused by the DOM implementation across multiple calls to the handleEvent method. |
- If the handleError method returns
true the DOM implementation should continue as if the error didn't happen when possible, if the method returns
false then the DOM implementation should stop the current processing when possible.
- DOM Level 3