Identifying Tours to Edit

Giving a unique identifier to each tour

We have successfully built a form that enables the user to add a tour to the list of tours. The next step will be to allow the user to edit the tour in case they made a typo or if they just want to change part of its data. Before we can do that, we need a way to identify the tour that we want to edit. So whenever we create a tour and add it to the ＄toursData array, we should also add an id property to give it a unique identifier (ID).

A unique ID could be a number that hasn’t been used before. We suggest ...