console 命令行工具 X clear

console

new Vue({
  el: '#app',
  data() {
    return {
      isEdit: false
    }
  },
  methods: {
    save() {
      this.isEdit = !this.isEdit;
    }
  }
})

<div id="app">
  <div v-if="isEdit">
    <button>
      取消
    </button>
    <button>
      保存
    </button>
  </div>
  <div v-else>
    <button>
      置顶
    </button>
    <button @click="save">
      编辑
    </button>
  </div>
</div>