JSFiddle - React, Tailwind, and code Playground

HTML

<input id="UserID" type="text" />

<input id="userCode" type="hidden" value="1111" />
<a href="#" class="test" id="getUserId">Studly</a>

JavaScript

$(document).ready(function(){
	$("#getUserId").click(function(){
		var value = $(this).html();
        var input = $('#UserID');
        input.val(value);
	});
});