JSFiddle - React, Tailwind, and code Playground

HTML

<div class="panel-body">
                <div class="rowElem">
                  <input type="checkbox" name="chbox" id="" value="Color #1">
                  <label>Color #1</label>
                </div>
                <div class="rowElem">
                  <input type="checkbox" name="chbox" id="" value="Color #2">
                  <label>Color #2</label>
                </div>
                <div class="rowElem">
                  <input type="checkbox" name="chbox" id="" value="Color #3">
                  <label>Color #3</label>
                </div>
              </div>

JavaScript

$("input:checkbox").click(function(){
var checkboxValues = "www.test.com/?";
   checkboxValues+= $('input[name="chbox"]:checked').serialize();
    alert(checkboxValues)
});