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The exportOptions docs don't show that it will accept a function for the selector-modifier option. You could try an anonymous function to return the setting but it might not be applied dynamically. A better option might be to create two buttons; one for all and for current. If you don't want both displayed you could use button().add() and button().remove() to swap buttons based on the user input. Or you can use button.node() to toggle a class that hides the buttons. Kevin

See this updated example of creating the footer first then using columns().every() to loop all the columns in the footerCallback to sum them and place the sum in the footer. http://live.datatables.net/ritevixi/1/edit Kevin

This thread should help, it's asking the same thing. Cheers, Colin

Thanks a lot @tangerine, but it should not a cause request to authority to resolve this issue.

Docs are here, with all the options, Colin

https://datatables.net/extensions/buttons/examples/html5/pdfImage.html

That'll be a font issue - you need to include the font family that those characters belong to. This thread should get you going, Colin

This thread should help, it's asking the same thing. Cheers, Colin

Updated test case here http://live.datatables.net/radoruye/4/edit

@colin Do you have any link for single function for two or more messageTop?