通过字符串属性排序对象的数组
这个问题在这里已经有了答案：
你有这样的尝试吗？ 它按预期工作
library.sort(function(a,b) {return (a.title > b.title) ? 1 : ((b.title > a.title) ? -1 : 0);} );
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
}
];
console.log('before sorting...');
console.log(library);
library.sort(function(a,b) {return (a.title > b.title) ? 1 : ((b.title > a.title) ? -1 : 0);} );
console.log('after sorting...');
console.log(library);比较函数中的字符串时使用<或>运算符。
见文档
减法用于数字操作。 改为使用a.title.localeCompare(b.title) 。
function sortLibrary() {
console.log("inside sort");
library.sort(function(a, b) {
return a.title.localeCompare(b.title);
});
console.log(library);
}
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
}
];
sortLibrary();