JSFiddle - React, Tailwind, and code Playground

HTML

<button type='button' data-button='{"option1": "option1", "option2": "option1"}'>click1</button>

JavaScript

var data='hello outside';

var option1=function(data){
        alert(data)
    }  
            
$('button').click(function(){
    //var data='hello inside';

    $(this).data('button').option1(data);
});