Object.assign
let testObj = {
a:[1,2,4],
b:{
name:'ls',
school:['huf','yelu'],
parent:{
father:'lili',
mother:'xixi'
}
},
c:function() {
alert(this.b.name)
}
}
let newObj = Object.assign(testObj);
newObj.b.parent.mother = 'qinghua';
newObj.a[0] = 4;
console.log(testObj.b.parent.mother);//qinghua
console.log(testObj.a[0])//
console.log(newObj.c);//ƒ () {alert(this.b.name)}数组和对象两个引用的是同一块内存
序列/反序列
let testObj = {
a:[1,2,4],
b:{
name:'ls',
school:['huf','yelu'],
parent:{
father:'lili',
mother:'xixi'
}
},
c:function() {
alert(this.b.name)
}
}
let newObj = JSON.parse(JSON.stringify(testObj));
newObj.b.parent.mother = 'qinghua';
newObj.a[0] = 4;
console.log(testObj.b.parent.mother);//xixi
console.log(testObj.a[0])//
console.log(newObj.c);//undefined数组和对象引用的不是同一块内存，但是函数克隆失败