销毁 clipboard 前是否应该取消订阅？ #124
Description
vue-clipboard2/vue-clipboard.js
Line 72 in 8a542c5
+ const clipboard = el._vClipboard + clipboard.off('success') + clipboard.off('error') + clipboard.destroy() - el._vClipboard.destroy() + el._vClipboard = null delete el._vClipboard