Javascript 如何根据对象属性的数值对对象数组进行排序?
我有一个这样的数组Javascript 如何根据对象属性的数值对对象数组进行排序?,javascript,node.js,Javascript,Node.js,我有一个这样的数组 var arr = [{ "name": "John", "age": "16" }, { "name": "Charles", "age": "26" }, { "name": "Charles", "age": "12" }, { "name": "Charles", "age": "44" }, { "name":"Charles", "age": "1" },
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"}]
我尝试的功能是
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
});
在这方面,4岁的查尔斯应该排在首位。
我哪里出错了?您的年龄是字符串,正在按字符串排序 如果需要数值结果,请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
});
var sorted=arr.sort(函数IHaveAName(a,b)
{var_a=parseInt(a.age,10),_b=parseInt(b.age,10);
返回_b<_a?1//如果b早到,请将a推到末尾
:\u b>\u a?-1//如果b稍后出现,请按a开始
:0;//a和b相等
});
那么先按字母名称排序,然后按年龄升序排序?还有,你的年龄是字符串。return+b.age<+a.age看看underline.js,js有很多功能语法糖代码>,由隐式调用。
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
});