一:Observervue 通過Observer 構(gòu)造函數(shù),為響應式變量添加訪問和賦值的get set的回調(diào)。1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 var Observer = function Observer (value) { this.value = value; this.dep = new Dep(); this.vmCount = 0; def(
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