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[英]How to sort array of objects based on object property (which is Array) Javascript
[英]How to sort an array of objects based on the numerical value of an object property?
我有这样的数组
var arr = [{ "name": "John", "age": "16" },
{ "name": "Charles", "age": "26" },
{ "name": "Charles", "age": "12" },
{ "name": "Charles", "age": "44" },
{ "name":"Charles", "age": "1" },
{ "name": "Charles", "age": "4"}]
我试过的功能是
var sorted = yourArray.sort(function IHaveAName(a, b)
{ // non-anonymous as you ordered...
return b.age < a.age ? 1 // if b should come earlier, push a to end
: b.age > a.age ? -1 // if b should come later, push a to begin
: 0; // a and b are equal
});
得到的结果
[ { name: 'Charles', age: '1' },
{ name: 'Charles', age: '12' },
{ name: 'John', age: '16' },
{ name: 'Charles', age: '26' },
{ name: 'Charles', age: '4' },
{ name: 'Charles', age: '44' } ]
在那个年龄4岁的查尔斯应该放在首位。
我要去哪里错了?
您的年龄是字符串,正在如此排序。
如果需要数字结果,则在对它们进行排序时通过parseInt
运行它们。
var sorted = arr.sort(function IHaveAName(a, b)
{ var _a = parseInt(a.age, 10), _b = parseInt(b.age, 10);
return _b < _a ? 1 // if b should come earlier, push a to end
: _b > _a ? -1 // if b should come later, push a to begin
: 0; // a and b are equal
});
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