拷贝对象方法

 1.浅拷贝

var obj = {a:1,b:2}  
var newObj = Object.assign({}, obj); 
obj.c = 3;

 2.对象展开

var obj = {a:1,b:2}  
var newObj ={...obj}
obj.c = 3;
console.log(obj,newObj);

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转载自blog.csdn.net/CrazBarry/article/details/94735572