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2019 Vue 面试题汇总（持续更新中...）
source link: https://juejin.im/post/5cc913b26fb9a031f525d36e
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1. vue中的MVVM模式即Model-View-ViewModel。Vue是以数据为驱动的，Vue自身将DOM和数据进行绑定，一旦创建绑定，DOM和数据将保持同步，每当数据发生变化，DOM会跟着变化。ViewModel是Vue的核心，它是Vue的一个实例。
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