Prompt Dialog

A prompt dialog is often used if you want the user to input a value. When a prompt dialog pops up, the user will have to click either "OK" or "Cancel" to proceed after entering an input value.
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onclosing {Function}


Description: Gets or sets a function to invoke before closing the dialog. A false invocation result will prevent the dialog from closing.

Default: undefined

 alertify.prompt('Demo').set({ onclosing:function(){ alertify.message('prompt is about to close.')}}); 

Remarks

To prevent the dialog from closing, make your callback return false.