Introduction to the JavaScript FileReader API ... When you drag and drop files to the web browser or select files to upload via the file input element, JavaScript ... ... <看更多>
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Introduction to the JavaScript FileReader API ... When you drag and drop files to the web browser or select files to upload via the file input element, JavaScript ... ... <看更多>
We modified midos answer to get it to work the following: function readFile(file){ return new Promise((resolve, reject) => { var fr = new FileReader(); ... ... <看更多>
FileReader 对象允许Web 应用程序异步读取存储在用户计算机上的文件（或原始数据缓冲区）的内容。 FileReader API 接口提供了一个异步API，使用该API 可以在浏览器主线程中 ... ... <看更多>
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<html>. <title>File API</title>. <head>. <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>. ... <看更多>