code: function _removeHandler(name, ignore) {
              // Remove handler if needed
              var func = PostMessageUtilities.parseFunction(this[name]);
              if (func) {
                  if (!ignore) {
                      func.call(this);
                  }
  
                  this[name] = void 0;
                  delete this[name];
              }
          }
docs: Method for removing the handler
  @param {String} name - a name of the reference which holds the remove handler on this context,
  @param {Boolean} ignore - optional flag to indicate whether to ignore the execution of the remove handler