node.js - Error: Object.assign is not a function. How to solve it?

Question

1, index.html code

2. Entry app.js code

3. Error message

Error: Uncaught TypeError: Object.assign is not a function
How to solve it?

Answer 1

Your browser is too old and does not support this method. Object.assign seems to be a method only available in es6. Solution: introduce babel/ployfill

$ npm install babel-core --save-dev

import 'babel-core/polyfill'

Answer 2

You can refer to this:
http://babeljs.io/docs/usage/...