notes

For <input type="text"> the event type is React.ChangeEvent

For <textarea> is React.ChangeEvent

For <select> we use React.ChangeEvent

React Typescript cheatsheet: form elements and onChange event types

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const h1Ref = useRef<HTMLHeadingElement>(null);

const divRef = React.useRef<HTMLDivElement>(null);

const buttonRef = React.useRef<HTMLButtonElement>(null);

const brRef = React.useRef<HTMLBRElement>(null);

const linkRef = React.useRef<HTMLLinkElement>(null);

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图片加载失败后CSS样式处理最佳实践