JSFiddle - React, Tailwind, and code Playground

HTML

<button class="UserMoreInfo-123456-Button">Click me, it tickles</button>

<div id="UserMoreInfo-123456-Modal" class='yourclasshere'>
Insert Here
</div>

JavaScript

$(document).ready(function() {
    $('button[class*="-Button"]').click(function(){
      var buttonClass = $(this).attr('class');
      var classParts = buttonClass.split("-");
      var divNo = classParts[classParts.length - 2];
      var divID = 'UserMoreInfo-' + 123456 + '-Modal';
      var divClass = $('#'+divID).attr('class');
			
		$('#'+divID).html('https://example.com/'+ divClass);
   });
});