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问题描述:

Property undefined was accessed during render but is not defined on instance报错解决

原因分析:

检查了是绑定class时 类名不能被成功v-bind,然后去检查语法。


解决方案:

  • 语法错误,将changeBackground类名用双引号包起来

本文标签: 报错accessedundefinedPropertyinstance