<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
alert($("p").text());
});
});
</script>
</head>
<body>
<button>Return the text content of all p elements</button>
<p>This is a paragraph.</p>
<p>This is <b>another</b> paragraph.</p>
</body>
</html>