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Escaping the DOM with React Portals: Practical UI Rendering Techniques
Modern web apps often include dynamic elements like modals, tooltips, dropdowns, and popovers. These UI components need to float above everything else, but positioning them correctly can get tricky, especially when they're deeply nested in the DOM. That’s where React Portals come in. React Portals let you render components outside the normal DOM hierarchy, making it easier to handle z-index, positioning, and layering—without complicating your component logic. In this guide, you’ll learn what React Portals are, why they matter, and how to use them to build cleaner, more flexible UIs.
Modern web apps often include dynamic elements like modals, tooltips, dropdowns, and popovers. These UI components need to float above everything else, but positioning them correctly can get tricky, especially when they're deeply nested in the DOM.
That’s where React Portals come in.
React Portals let you render components outside the normal DOM hierarchy, making it easier to handle z-index, positioning, and layering—without complicating your component logic.
In this guide, you’ll learn what React Portals are, why they matter, and how to use them to build cleaner, more flexible UIs.
