1.IndexedDB數據庫的事物IDBTransaction兩種事物狀態:
1)只讀事務(IDBTransaction.READ_ONLY)
2)讀寫事物(DBTransaction.READ_WRITE)
而在實際開發中,如果這樣調用是不正確的,例如:
var tx=idb.transaction([storeName],IDBTransaction.READ_ONLY) 或
var tx=idb.transaction([storeName],IDBTransaction.READ_WRITE)
正確的寫法:
var tx=idb.transaction([storeName],"readonly") 或
var tx=idb.transaction([storeName],"readwrite")
2.BlobBuilder對象已經廢棄
var oBuilder = new BlobBuilder();
var aFileParts = ["<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>"];
oBuilder.append(aFileParts[0]);
var oMyBlob = oBuilder.getBlob("text\/xml"); // the blob
可以寫成這樣:
var aFileParts = ["<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>"];
var oMyBlob = new Blob(aFileParts, { "type" : "text\/xml" }); // the blob
詳細信息可以查詢:Blob