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ly525 avatar ly525 commented on August 16, 2024

2.this.constructor.options 中的this.constructor 需要再看一下高程

vm = new Vue()
vm.constructor === Vue // true
那么这么做的意义是什么呢? 为何要合并constructor中的options?

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ly525 avatar ly525 commented on August 16, 2024

initData
proxy

initData

  1. 把options.data返回一个object对象作为vm._data;
  2. 如果options.data是function则执行, 并返回; 否则直接返回

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