code: function EmailInput(options) {
      MultipleInput.call(
          this,
          assign(
              {
                  createTokenItem: createEmailItem,
                  showDropdown: false,
                  tokenizer: emailTokenizer
              },
              options
          )
      );
  
      this.events.on('blur', function() {
          var input = this.input;
          if (input && isValidEmail(lastWord(input.value))) {
              this.add(createEmailItem(input.value));
          }
      });
  }
docs: EmailInput Constructor.
  
  @param options Options object. Accepts all options from the MultipleInput Constructor.