通過 MediaDevices.getUserMedia() 創建的文件是否保存在用戶的瀏覽器上? [英]Is a file created through MediaDevices.getUserMedia() saved on the user’s browser?
盡管瀏覽器預取/緩存,如何判斷文件是否真的被下載和保存? [英]How to tell if a file was really downloaded and saved, despite browser prefetch/cache?
如何在不使用jQuery或javascript更改瀏覽器設置的情況下保留cookie? [英]How to Keep cookie without changing browser setting using jQuery or javascript?