Javascript 排序功能.按第一个然后按第二个排序 [英] Javascript sort function. Sort by First then by Second

问题描述

我有一个要排序的对象数组.每个对象有两个参数:Strength 和 Name

I have an array of objects to sort. Each object has two parameters: Strength and Name

objects = []
object[0] = {strength: 3, name: "Leo"}
object[1] = {strength: 3, name: "Mike"}

我想先按强度排序，然后按姓名字母顺序排序.我正在使用以下代码按第一个参数进行排序.我如何按秒排序?

I want to sort first by Strength and then by name alphabetically. I am using the following code to sort by the first parameter. How do I sort then by the second?

function sortF(ob1,ob2) {
  if (ob1.strength > ob2.strength) {return 1}
  else if (ob1.strength < ob2.strength){return -1}
  return 0;
};

感谢您的帮助.

(我正在使用 Array.sort() 使用前面提到的 sortF 作为传递给它的排序比较函数.)

(I am using Array.sort() with the aforementioned sortF as the sort comparison function passed into it.)

推荐答案

把你的排序功能扩展成这样；

Expand your sort function to be like this;

function sortF(ob1,ob2) {
    if (ob1.strength > ob2.strength) {
        return 1;
    } else if (ob1.strength < ob2.strength) { 
        return -1;
    }

    // Else go to the 2nd item
    if (ob1.name < ob2.name) { 
        return -1;
    } else if (ob1.name > ob2.name) {
        return 1
    } else { // nothing to split them
        return 0;
    }
}

字符串上的 < 和 > 比较是字母比较.

A < and > comparison on strings is an alphabetic comparison.

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