React Portals 详解
原文英文,约200词,阅读约需1分钟。发表于: 。React Portals provide a way to render children components into a DOM node that exists outside the parent component's hierarchy. This is useful when you need to render components like modals,...
React Portals允许在父组件之外的DOM节点中渲染子组件,适用于模态框、工具提示等需要特殊定位的组件。通过ReactDOM.createPortal可以指定渲染的子元素和目标节点,解决剪裁和z-index问题,便于定位布局。