code: function deleteTask() {
          console.log("Deleting task...");
  
          const listItem = this.parentNode;
          const ul = listItem.parentNode;
  
          const task = listItem.getElementsByTagName('label')[0].innerText;
  
          // *****
          // *** delete a task from the cluster when we press `Delete` button on the completed task
          // *****
  
          deleteFromFluence(task);
  
          ul.removeChild(listItem);
      }
docs: delete task functions