[問題] 請問 GMail 右鍵另存圖片,下載回來卻一片空白,如何做到的??
如題,
今天登入Gmail後,想說把他裡面的一些選單小圖示的gif檔案下載回來,
右鍵另存新檔之後,
載回來打開之後發現都是空白的圖檔
想請問這個功能是怎麼做到的?
似乎可以防止有心人士盜取icon ~
因為他沒有鎖滑鼠右鍵,但是讓你下載回來開出來是無圖檔形式,
我發現所有icon另存圖片之後的檔名都是"cleardot.gif"
所以我猜這是用javascript去辦到的是嗎?
有高手可以指點一下嗎??
想把這個功能放在自己的網頁裡面 ~但不知道怎麼實作程式碼@@"
感謝!!
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