$(document).ready(function () { $("#myButton").click(function () { $("p").contents().filter("em").wrap("<h1>"); }); $("#reset").click(function () { location.reload(); }); });
<html> <head> <title>contents</title> </head> <body> <p>This is <em>99codingexamples.</em> I love <em>jquery.</em></p> <input type="button" id="myButton" value="contents() filter by em"/> <input type="button" id="reset" value="Reset" /> </body> </html>