最新版的React使用Forwarding Refs优雅的解决了这个问题。 在一般组件中使用Forwarding Refs 通常情况下,我们想获取一个组建或则一个HTML元素的实例通过Ref特性就可以实现,但是某些时候我们需要在子父级组建中传递使用实例,Forwarding Refs提供了一种技术手段来满足这个要求,特别是开发一些重复使用的组建库时。比如下面的例子...
ReactJS Forwarding Refs - Learn how to use forwarding refs in ReactJS to pass refs through components and enhance your component design.
reacttypescriptIn this post, we cover how to forward React refs with TypeScript. In the last post, we covered how to use a strongly-typed ref to invoke a method on an HTML element within a React component. What if we want to access an HTML element that isn’t directly in a React ...
幸运的是,我们可以使用 React.forwardRef API 明确地将 refs 转发到内部的 FancyButton 组件。React.forwardRef 接受一个渲染函数,其接收 props 和ref 参数并返回一个 React 节点。例如:function logProps(Component) { class LogProps extends React.Component { componentDidUpdate(prevProps) { console.log('old ...
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