Text field/area: Escape any changes and not trigger Event blur

User want to leave the field without updating the data.

I have some text-fields and text-areas
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each field has an Event handler:
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Some times users start typing in the text box and see that it is the wrong box and want do escape / cancel the changes done in the text box without trigger the update.

Pup-up box to accept changes is not a option.

Is there a way to add something?

Example if user press "Esc" on the keyboard it trigger "get_data" query to refresh data.

-Thore