JSFiddle - React, Tailwind, and code Playground
by Alex Azuero
HTML
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
<script type="text/javascript">
var x
$("document").ready(function(){
x = 0;
$("p:eq("+x+")").css("border", "3px solid red");
});//document ready
function rotate(){
$("p:eq("+x+")").css("border", "none");
x = x+1
if (x==4){
x=0
}
$("p:eq("+x+")").css("border", "3px solid red")
}//end rotate
</script>
<style type="type/css">
.a {color: red;}
.b {color: blue;}
</style>
</head>
<body>
<ul id ="list1">
<li class ="a">item 1</li>
<li class ="b">item 2</li>
<li class ="b">item 3</li>
<li class ="a">item 4</li>
</ul>
<button type="button" onclick="rotate()">Next Paragraph</button>
<p class="a">paragraph1</p>
<p class="">paragraph2</p>
<p class="b">paragraph3</p>
<p class="">paragraph4</p>
</body>
</html>