npm install --save vue-json-compare

import vueJsonCompare from 'vue-json-compare';
const oldData = {
  name: 'super',
  age: 18,
  task: [
    { name: 'eat', time: '09:00' },
    { name: 'work', time: '10:00', deleted: 'this prop has been deleted!' },
    { name: 'sleep', time: '22:00' },
  ],
};
const newData = {
  name: 'coolapt',
  age: 20,
  task: [
    { name: 'eat', time: '09:00' },
    { name: 'work', time: '10:00' },
    { name: 'sleep', time: '23:00' },
    { name: 'running', time: '08:00' },
  ],
};
export default {
  components: {
    vueJsonCompare,
  },
  data() {
    return {
      oldData: oldData,
      newData: newData,
    };
  },
};