JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Choose a color</h1>
<a href="#" class="red-color-selection">RED</a>
<br/>
<a href="http://www.yoursite.com/configurator_wheels.htm" class="next-button">Next</a>

JavaScript

$(function(){
	// append the link to the next page with the color URL parameter
	$('.red-color-selection').on('click',function(){
		$('.next-button').attr('href', function() {
			return this.href + '?color=red';
		});
	});
	// Get URL Params and turn them into variables
	$.extend({
	  getUrlVars: function(){
	    var vars = [], hash;
	    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
	    for(var i = 0; i < hashes.length; i++)
	    {
	      hash = hashes[i].split('=');
	      vars.push(hash[0]);
	      vars[hash[0]] = hash[1];
	    }
	    return vars;
	  },
	  getUrlVar: function(name){
	    return $.getUrlVars()[name];
	  }
	});
	// set the carColor variable to the value of the color URL parmeter
	var carColor = $.getUrlVar('color');
});