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彻底弄懂文件和二进制数据的操作

 4 years ago
source link: https://juejin.im/post/5cfe00905188255a70478fd7
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Blob Blob 对象表示一个不可变、原始数据的类文件对象。Blob 表示的不一定是JavaScript原生格式的数据。File 接口基于Blob，继承了 blob 的功能并将其扩展使其支持用户系统上的文件。要从其他非blob对象和数据构造一个Bl

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