var?arr1?=?[{name:'aaaa'}]
var?arr2?=?[...arr1]console.log(arr2)??//[{name:'bbbb'}]
arr2[0].name?=?'bbbb'
為啥這里控制臺輸出的是bbbb,對象的賦值過程提升到前面去了嗎
慕田峪8701529
2018-09-17 14:13:27