将两个JavaScript对象合并成一个?
这个问题在这里已经有了答案:
这是一个更通用的函数。 它通过对象传播并将合并到一个声明的变量中。
const posts = { '2018-05-11': { posts: 2 }, '2018-05-12': { posts: 5 }};
const notes = { '2018-05-11': { notes: 1 }, '2018-05-12': { notes: 3 }};
function objCombine(obj, variable) {
for (let key of Object.keys(obj)) {
if (!variable[key]) variable[key] = {};
for (let innerKey of Object.keys(obj[key]))
variable[key][innerKey] = obj[key][innerKey];
}
}
let combined = {};
objCombine(posts, combined);
objCombine(notes, combined);
console.log(combined)
另一种方法是使用可在支持ES6或ES2015的浏览器上使用的扩展语法
const posts = {'2018-05-11' : {posts: 2}}
const notes = {'2018-05-11' : {notes: 1}}
let result = { ...posts , ...notes }
var x = {posts: 2};
var y = {notes: 1};
var z = Object.assign( {}, x, y );
console.log(z);
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