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vue 的局限 #180

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lovelmh13 opened this issue Aug 3, 2023 · 0 comments

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lovelmh13 commented Aug 3, 2023

script 和 template 带来的问题

在一个组件文件里，视图和代码是分开的，如果在组件 export 之前写的变量，在组件销毁以后也会保存在内存里，而不是一起被销毁。如果写在 data 里，那没事儿。因为销毁的是组件，而我们写的组件的文件，不全是组件，只有 export 导出的那些代码会被用到组件里。
有点儿像是闭包，如果处理不好会有内存泄漏的问题
vue 示例：

在 mpx 里这么写：

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