10.es6 objects extended operator

<script>
    let person = {name:'gunsmoke',age:11};
    // 对象的拷贝
    let person1 = {...person};
    let person2 = person;
    console.log(person1); //深拷贝
    console.log(person == person1); // false
    console.log(person2); // 浅拷贝
    console.log(person2 == person); // true
    // 合并对象
    let person3 = {...person,...{height:111}};
    console.log(person3) 
</script>