<h3>扩展运算符(...)用于取出参数对象所有可遍历属性然后拷贝到当前对象。</h3>
<p>拷贝对象</p>
<p>合并对象</p>
<script>
let person1 ={name:'amy',age:15}
let someone = {...person1}
console.log(someone);
let age ={age:15}
let name = {name:'amy'}
let person2 = {...age,...name}
console.log(person2);
</script>
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