javascript - What's a bad practice with refs in React? -
i'm getting learn react. guys of different sites tells using refs bad practice (yep, using them @ all). what's real deal it? bad attach to, example, child component (so can access inner stuff)? thanks! react requires think react way , refs kind of backdoor dom never need use. simplify drastically, react way of thinking once state changes, re-render all components of ui depend on state. react take care of making sure right bits of dom updated, making whole thing efficient , hiding dom (kinda). for example, if component hosts htmlinputelement, in react you'll wire event handler track changes input element. whenever user types character, event handler fire , in handler you'll update state new value of input element. change state triggers hosting component re-render itself, including input element new value. here's mean import react 'react'; import reactdom 'react-dom'; class example extends react.component { s...
