...点copy是浅拷贝
var obj1 = [1,{a: 1}];
//var obj2 = Object.assign( {}, obj1);//浅copy
//var obj2 = JSON.parse(JSON.stringify(obj1));//深copy
var obj2 = [...obj1];//浅copy
obj2[1].a = 5;
obj1;
js深浅copy
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转载自www.cnblogs.com/double405/p/9942228.html
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