javascript - Vue is not defined

Question

Developed a project using vue webpack

Vue is not defined is thrown directly when accessing Vue in the browser console

// main.js
new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app-box')

How to access the vue instance externally?

Answer 1

Set a window.xxx = this;

in created

Answer 2

var app = new Vue()

Isn’t this enough?

Answer 3

window.app = new vue({});
This way you can print app in the console