如何在JavaScript中将Object {}转换为键值对的Array [] [英] How to convert an Object {} to an Array [] of key-value pairs in JavaScript

问题描述

我想转换这样的对象：

{"1":5,"2":7,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0}

进入一组键值对，如下所示： / p>

into an array of key-value pairs like this:

[[1,5],[2,7],[3,0],[4,0]...].

如何在JavaScript中将对象转换为键值对数组？

How can I convert an Object to an Array of key-value pairs in JavaScript?

推荐答案

您可以使用 Object.keys（） 和 map（） 来执行此操作

You can use Object.keys() and map() to do this

var obj = {"1":5,"2":7,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0}
var result = Object.keys(obj).map(function(key) {
  return [Number(key), obj[key]];
});

console.log(result);

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