javascript - 如何使用对象中的键搜索项目并将该值更新到数组中？

Question

var replaceArr = ['A','J','Q',10,2];
				
var originalArr = [{A:0},{2:1},{3:2},{4:3},{5:4},{6:5},{10:9},{J:10},{Q:11},{K:12}];

根据代码片段，我有两个数组:replaceArr 和 originalArr

我想将 replaceArr 与 originalArr 进行比较，并从那里获取键值并替换为 replaceArr。替换 replaceArr 后的意思是 == [0,10,11,9,1]

致谢..

Answer 1

你可以简单地使用 map 和 find 从数组原型(prototype)

var replaceArr = ["A", "J","Q",10,2]
				
var originalArr = [{A:0},{2:1},{3:2},{4:3},{5:4},{6:5},{10:9},{J:10},{Q:11},{K:12}];

replaceArr = replaceArr.map(v => originalArr.find(obj => obj[v] !== undefined)[v]);
console.log(replaceArr);