Js 数组对象排序

时间:2023-11-15 20:33:56

1.定义函数

 /**
* 数组对象排序函数
* @param {any} name 排序字段
* @param {any} order 升、降(这里事true、false记得处理下)
*/
var by = function (name,order) {
return function (o, p) {
var a, b;
if (typeof o === "object" && typeof p === "object" && o && p) {
a = o[name];
b = p[name];
if (a === b) {
return 0;
}
if (typeof a === typeof b) {
if (order) {
return a < b ? -1 : 1;
}
return a > b ? -1 : 1;
}
if (order) {
return typeof a < typeof b ? -1 : 1;
}
return typeof a > typeof b ? -1 : 1; }
else {
throw ("error");
}
}
}

2.使用方式

//数组
var employees=[]
employees[0]={name:"George", age:32, retiredate:"March 12, 2014"}
employees[1]={name:"Edward", age:17, retiredate:"June 2, 2023"}
employees[2]={name:"Christine", age:58, retiredate:"December 20, 2036"}
employees[3]={name:"Sarah", age:62, retiredate:"April 30, 2020"}
//调用
employees.sort(by("age"),true);