数组按照对象的某个属性值,排序

一般我们给一维数组排序,直接用arr.sort()方法就可以了:


function numAscSort(a, b) {
        return a - b;
      }
function numDescSort(a, b) {
        return b - a;
      }

有需求是给数组的某个属性排序,用以下方法就可以实现了:

function compareAscSort(property){
        return function(a,b){
            var value1 = a[property];
            var value2 = b[property];
            return value1 - value2;
        }
    }
      
function compareDescSort(property){
        return function(a,b){
            var value1 = a[property];
            var value2 = b[property];
            return  value2 - value1;
        }
    }

使用示例:


arr=[ //排序的数组
  {name:'xx',age:12},
  {name:'as',age:13},
  {name:'sd',age:8}
];
 
asc_sort = arr.sort(compareAscSort("age"));

//排序之后的数组

asc_sort=[
  {name: "sd", age: 8},
  {name: "xx", age: 12},
  {name: "as", age: 13}
]
 
  • 参考链接
    https://blog.csdn.net/qq_29483485/article/details/85003814

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