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我想刪除我的斑點,一旦他們下載用戶:辦法知道當的ObjectURL已經被下載(撤銷它...)
var url = window.URL.createObjectURL(myBlob);
var a = document.createElement("a");
a.download = 'myFile' + fileExtension;
a.href = url;
a.click();//download launched
/** Here i want to revoke the ObjectURL and delete my Blob, but i dunno when? **/
我能做到這一點,而無需使用虛擬計時器?