var db = indexedDB.open('books', 'Book store', false); if (db.version !== '1.0') { var olddb = indexedDB.open('books', 'Book store'); olddb.createObjectStore('books', 'isbn'); olddb.createIndex('BookAuthor', 'books', 'author', false); olddb.setVersion("1.0"); } // db.version === "1.0"; var index = db.openIndex('BookAuthor'); var matching = index.get('fred'); if (matching) report(matching.isbn, matching.name, matching.author); else report(null);
javascript 本地数据库例子
机器瞎学/数据掩埋/模式混淆/人工智障/深度遗忘/神经掉线/计算机幻觉/专注单身二十五年