Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <script src="../../ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").toggle(function(){ $("p").wrap("<div></div>");}, function(){ $("p").unwrap(); }); }); </script> <style type="text/css"> div{background-color:yellow;} </style> </head> <body> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <button>Wrap/unwrap each p element</button> </body> </html>
Result:
W3Schools.com - Try it yourself