这个报错是因为 Vue 中使用了未声明的方法，认真检查下！
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typeError: cannot read property '_wrapper' of undefined
vue 报错：Cannot read property '_wrapper' of undefined
Vue(踩坑）_Error in nextTick: "TypeError: Cannot read property '_wrapper' of undefined"
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Uncaught TypeError: Cannot read property 'nodeType' of undefined
javascript Uncaught TypeError: Cannot read property ... of undefined
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TypeError：Cannot read property 'type' of undefined
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