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").click(function(){ $("p").after("<p>Hello world!</p>"); }); }); </script> </head> <body> <button>Insert content after each p element</button> <p>This is a paragraph.</p> <p>This is another paragraph.</p> </body> </html>
Result:
W3Schools.com - Try it yourself