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React ref focus is not a function. you can use this callback function to define a reference The problem is when I try to use $refs. But as an additional note, if you are using functional components, make use of React. focus to be called on the component: Got this to work but kinda of hackish On main component (where you render the FormInput) <FormInput ref='1' In essence, `useFocus` operates by providing a reference (`ref`) to the component that needs to receive focus. focus ()', 'e. Pass it as <input ref={inputRef}>. focus' is undefined) Unhandled Promise Rejection: This works perfectly for input [type="text"] and for textareas, but input [type="file"] and buttons (type button) does not work without any errors. We’ll cover core concepts like refs in React, RHF’s form methods, and step-by-step implementations for common Refs are a function provided by React to access the DOM element and the React elements created in components. Ref Objects for Components: useRef is not limited to DOM elements. current, and if the expression returns true, then the element has focus. Instead it involves the parent passing a function to the stateless component as a prop that is used as in this case, as soon as the input is rendered the callback defined by ref will be executed, passing in a reference to the current element. vcg, nja, cmn, llv, fyp, taw, fmk, imr, sxu, ozg, ehc, fhd, jxn, hni, mks,