Converting absolute path to relative

Question

What is best way to convert absolute path to relative path by javascript or jquery ?

for example consider as below :

"http://localhost:2011/Content/Images/Product/Large/3.jpg" 

to

 "/Content/Images/Product/Large/3.jpg" 

Answer 1

Use the trick that <a> elements contain location properties.

$("<a href='http://localhost:2011/Content/Images/Product/Large/3.jpg'>")
  .prop("pathname");

Answer 2

Just use window.location.pathname