OnBeforeUnload in IE 11 and above

Question

Hi All,

i realized that no custom error message can be show in IE11 when i use onbeforeunload javascript method.
Is that any way to archive this part?

Secondly, is that any way to trigger ajax when user press leave when the pop-up from onbeforeunload javascript method?

Answer 1

Hi @Woon Choon Thin

What do you mean custom error message? You can only show custom message together with the default message when using onbeforeunload in only IE 11. You can refer to this sample code.

For the second question, you can't find out which button the user clicked in onbeforeunload so you can't trigger ajax when user presses leave.

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Regards,
Yu Zhou

Answer 2

Hi YuZhou,

How to show custom message in Microsoft Edge ?
According to sample given , there are no custom message show.