How to encode a URL in JavaScript

There are two JavaScript function that you can use to accomplish this

1.  encodeURIComponent()

   • Encodes a URI component
   • Encodes special characters
   • The following characters: , / ? : @ & = + $ # are encoded

   var url="http://test.com/index.php?url"+encodeURIComponent(url);
   

2. encodeURI()

   • Encode a URI
   • Encodes special characters but not (except) , / ? : @ & = + $ #

   var url="http://test.com/index.php?url"+encodeURI(url);