解决方法@H_404_9@

var db = openDatabase('dbname','dbversion 1.0','description',64*1024);
db.transaction(function (query){
   query.executesql('CREATE TABLE IF NOT EXISTS tablename (id unique,value)');
   var rows = 10000,i;
   for(i=0; i < rows; i++){
      query.executesql('INSERT INTO tablename (id,value) VALUES ('+ i + ',"Stackoverflow")');
   }

   query.executesql('SELECT * FROM tablename',[],function (query,results) {
      for (i = 0; i < 5; i++) {
         alert(results.rows.item(i).text);
      }
   });
});

//Do magic with your webapp now

接受的查询是SQLite类型.查看official specification了解更多信息.