public static StorageExt getSessionStorage() {
    if (sessionStorage == null && Storage.isSessionStorageSupported()) {
      sessionStorage = new StorageExt(Storage.getSessionStorageIfSupported());
    }
    return sessionStorage;
  }
public static StorageExt getSessionStorage() {
    if (sessionStorage == null && Storage.isSessionStorageSupported()) {
      sessionStorage = new StorageExt(Storage.getSessionStorageIfSupported());
    }
    return sessionStorage;
  }
public static StorageExt getSessionStorage ( ) { if ( sessionStorage == null && Storage . isSessionStorageSupported ( ) ) { sessionStorage = new StorageExt ( Storage . getSessionStorageIfSupported ( ) ) ; } return sessionStorage ; }
Returns a Session Storage.

@return the sessionStorage instance, or <code>null</code> if Web Storage is NOT supported.
Returns a Session Storage .