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使用 JavaScript 检查文件是否为 JFIF 格式的方法，通过读取文件头部的 JFIF 签名来验证图像格式

One way to convert the React SVG component into a real DOM element and then into a Base64 URL

One way to get base64 png url from a img dom

One way to get right url in new Worker()

react-hook use with to reduce unnecessary child-component re-render use and wrap child components in to share data between components without passing data by props. use with to improve user expe...