'onBeforeUnload' is applied to : onBeforeUnload « Event Handlers Reference « JavaScript Reference

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'onBeforeUnload' is applied to

+----------------+--------------------------------------------------------------+
| Applied_To     |<body>                          <frameset>                    |
|                |window                                                        |
+----------------+--------------------------------------------------------------+

Related examples in the same category

1.'onBeforeUnload' Syntax and Note
2.'onBeforeUnload' Example
3.'onBeforeUnload' Properties