- When form is submitted, prevent form from refreshing and get value of input
- Add the new item to the STORE variable
- use click handler to determine which item was clicked using $(this)
- traverse up the DOM to the parent
- Grab the id in data-item-id to use to remove from the STORE
- use jQuery .remove() to remove the
- from the DOM completely
- use click handler to determine which item was clicked using $(this)
- traverse up the dom to find the class 'shopping-item' and toggleClass('shopping-item__checked')