JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">

    <a id="click">click here</a>
    <a id="click2">click here2</a>
    <p id="test1">Test 1</p>
    <p id="test2">Test 2</p>

JavaScript

(function($) {
  $.fn.setColorTest = function(options) {
      options = $.extend({ color: '#000' }, options);
    return this.each(function() {
      $(this).css({ 'color': options.color});
    });
  }
})(jQuery);

$('a#click').click(function() {
        $('#test1').setColorTest();
        return false; 
 });  
 $('a#click2').click(function() {
    $('#test2').setColorTest({color: '#fff666'});
    return false; 
 });