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Question

I\'m trying to implement a handler, in React, for a survey implemented in SurveyJS. This is for multiple-choice questions that may have answers like \"None of the Above\" or \"P

Answer 1

FYI: We have introduce this functionality into SurveyJS Library sometimes ago.

Here is the react example with "Select All" and "None of the Above" features, out of the box, without custom code.

Thank you!