小编use*_*721的帖子

我试图通过属性对对象数组进行排序title.这是我正在运行的代码片段,但它没有排序任何东西.数组按原样显示.PS我看了以前类似的问题.例如,这里建议并使用我正在使用的相同方法.

javascript:

function sortLibrary() {
    // var library is defined, use it in your code
    // use console.log(library) to output the sorted library data
    console.log("inside sort");
    library.sort(function(a,b){return a.title - b.title;});
    console.log(library);
} 

// tail starts here
var library = [
    {
        author: 'Bill Gates',
        title: 'The Road Ahead',
        libraryID: 1254
    },
    {
        author: 'Steve Jobs',
        title: 'Walter Isaacson',
        libraryID: 4264
    },
    {
        author: 'Suzanne Collins',
        title: 'Mockingjay: The Final Book of The Hunger Games',
        libraryID: 3245 …