我正在尝试使用push方法创建一个键/值对数组，但得到了意想不到的结果。console.log打印如下:books:[{"bookTitle":"MarkTwain"}]而我希望这样:books:[{"TomSawyer":"MarkTwain"}]代码如下:varbooks=[];varbookTitle="TomSawyer";varauthor="MarkTwain";books.push({bookTitle:author})console.log("books:%s",JSON.stringify(books))我试过books.bookTitle=author和books[