JSFiddle - React, Tailwind, and code Playground

HTML

<div class="full-band">
     <div class="inner-wrapper setspacing" data-margin="0px 0px auto 0px">
         <h3 data-padding="30px" class="setspacing">Bleep Blorp!</h3>
    </div>
</div>

JavaScript

$(".setspacing").each(function(){
    var attrib = $(this).data();
    var el = $(this);
    
    $.each(attrib, function (i, e) { 
        el.css(i,e); 
    });
    
});