deepmerge.js:一个深递归合并Javascript对象的库

npm i deepmerge

const merge = require('deepmerge');
const a = {
  name: 'Tom',
  info: {
    sex: 0,
    age: 23
  }
};
const b = {
  name: 'Jack',
  info: {
    sex: 1,
    school: 'puk'
  }
};
const c = merge(a, b);
console.log(JSON.stringify(c, null, 2));

{
  "name": "Jack",
  "info": {
    "sex": 1,
    "age": 23,
    "school": "puk"
  }
}

<script type=text/javascript src=https://unpkg.com/deepmerge@4.2.2/dist/umd.js></script>