我不知道这段代码有什么问题:
onupgradeneeded = function(){
z = e.currentTarget.result.createObjectStore(
'record',
{keyPath:'id',autoIncrement:true}
);
z.createIndex('book', 'book', {unique:false});
z.createIndex('user', 'user', {unique:false});
}
当我尝试使用以下代码将数据放入对象存储时:
db.transaction('record',IDBTransaction.READ_WRITE)
.objectStore('record')
.add({book:...,user:...})
我收到以下错误消息:
Data provided to an operation does not meet requirements