6 questions for “Portals & Fragments”
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Information Technology
| # | Question | Technology | Topic | Level |
|---|---|---|---|---|
| 1 | How do event bubbling and Portals interact with each other in React? React › Portals & Fragments | React | Portals & Fragments | Intermediate |
| 2 | What is a React Portal and why would you use one? React › Portals & Fragments | React | Portals & Fragments | Beginner |
| 3 | What is a Fragment in React and why would you use one instead of a div? React › Portals & Fragments | React | Portals & Fragments | Beginner |
| 4 | How would you use a keyed Fragment when rendering a list of grouped elements? React › Portals & Fragments | React | Portals & Fragments | Intermediate |
| 5 | How would you build a tooltip using a Portal so it always appears above everything else on the page? React › Portals & Fragments | React | Portals & Fragments | Advanced |
| 6 | Why does JSX require every element to have exactly one parent element or a Fragment? React › Components & JSX | React | Components & JSX | Intermediate |