And that will do for this article. At this point we have a nicely-working ToDoItem Component that can be passed a label to display, will store its checked state, and will be rendered with a unique id each time it is called. You can check if the unique ids are working by temporarily adding more calls into App.vue, and then checking their rendered output with your browser's DevTools....custom component — we'll start by creating a component to represent...such as calling components inside other components, passing data...