JavaScript 的Blob 对象详解

JavaScript 的Blob 对象详解：https://blog.csdn.net/qq_41152573/article/details/136225387?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522171870454816800227415776%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=171870454816800227415776&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-2-136225387-null-null.142^v100^pc_search_result_base5&utm_term=JavaScript%E4%B8%AD%E7%9A%84Blob%E4%BD%A0%E7%9F%A5%E9%81%93%E5%A4%9A%E5%B0%91&spm=1018.2226.3001.4187