当Database、ObjectStore或Transaction的值存储在某个变量中并在以后使用时，而不是使用库函数获取新值时...
database_->TransactionFinished(mode_,false); [11]// RemoveTransaction will delete |this|.// Note: During force-close situations, the connection can be destroyed during// the |IndexedDBDatabase::TransactionFinished| callif(connection_) connection_->RemoveTransaction(id_); } IndexedDBDatabase::T...
// In the following line, you should include the prefixes of implementations you want to test.window.indexedDB=window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB;// DON'T use "var indexedDB = ..." if you're not in a function.// Moreover, you may need ...
// Do something when all the data is added to the database.transaction.oncomplete = function(event) {console.log("All done!");};transaction.onerror = function(event) {// Don't forget to handle errors!};var objectStore = transaction.objectStore("customers");customerData.forEach(function(cu...
{ unique:true});//Use transaction oncomplete to make sure the objectStore creation is//finished before adding data into it.objectStore.transaction.oncomplete =function(event) {//Store values in the newly created objectStore.varcustomerObjectStore = db.transaction("customers", "readwrite")....
// (Mozilla has never prefixed these objects, so we don't need window.mozIDB*) 1. 2. 3. 4. 5. 6. 7. 上面我们从window获取了indexedDB,IDBTransaction和IDBKeyRange三个对象。 其中indexedDB表示的是数据库的连接。IDBTransaction表示的是transaction,而IDBKeyRange则是用从数据库的某个特定key range...
the same email, so use a unique index.objectStore.createIndex("email","email",{unique:true});// Use transaction oncomplete to make sure the objectStore creation is// finished before adding data into it.objectStore.transaction.oncomplete=function(event){// Store values in the newly created ...
IndexedDB 是一个基于 JavaScript 的面向对象的事务型数据库。有了 LocalStorage 和 Cookies，为什么还要...
IndexedDB 是一个比较复杂的 API，涉及不少概念。它把不同的实体，抽象成一个个对象接口。学习这个 ...
to squint to see the improvement, and only for the smaller database sizes. This makes sense, since explicit commits can only shave a bit of time off the end of each transaction. So, like relaxed durability, it has a bigger impact on multiple small transactions than one big transaction. ...