<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").unwrap();
});
});
</script>
<style>
div{background-color:yellow;}
article{background-color:pink;}
</style>
</head>
<body>
<div>
<p>This is a paragraph inside a div element.</p>
</div>
<article>
<p>This is a paragraph inside an article element.</p>
</article>
<button>Remove the parent element of each p element</button>
</body>
</html>