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").offsetParent().css("background-color","red"); }); }); </script> </head> <body> <button>Set background-color</button> <div style="border:1px solid black;width:70%;position:absolute;left:10px;top:50px"> <div style="border:1px solid black;margin:50px;background-color:yellow"> <p>Click button to set the background color of the first positioned parent element of this paragraph.</p> </div></div> </body> </html>
Result:
W3Schools.com - Try it yourself