docs: function (newValue) {
              if (trySelector(newValue)) {            // CSS selector to match event.target
                  this.options.ignoreFrom = newValue;
                  return this;
              }
  
              if (isElement(newValue)) {              // specific element
                  this.options.ignoreFrom = newValue;
                  return this;
              }
  
              return this.options.ignoreFrom;
          }