jsfiddle previewpage error, because unpkg cdn use Vue 3

[justforuse]

Version

2.4.5

Vue.js version

Reproduction Link

https://peachscript.github.io/vue-infinite-loading/zh/guide/configure-load-msg.html

Steps to reproduce

when open the page, the preview occurs an error.

What is Expected?

What is actually happening?

[justforuse]

because the unpkg use Vue@3 as default version, need to specify Vue@2