docs: function _createToast() {
          var toast = document.createElement('div');
          toast.classList.add('toast');
  
          // Add custom classes onto toast
          if (!!this.options.classes.length) {
            $(toast).addClass(this.options.classes);
          }
  
          // Set content
          if (typeof HTMLElement === 'object' ? this.message instanceof HTMLElement : this.message && typeof this.message === 'object' && this.message !== null && this.message.nodeType === 1 && typeof this.message.nodeName === 'string') {
            toast.appendChild(this.message);
  
            // Check if it is jQuery object
          } else if (!!this.message.jquery) {
            $(toast).append(this.message[0]);
  
            // Insert as html;
          } else {
            toast.innerHTML = this.message;
          }
  
          // Append toasft
          Toast._container.appendChild(toast);
          return toast;
        }