<script>
// 1、数组的合并
const kuaizi = ['张三','李四','王五'];
const kuaizi1 = ['张三1','李四1','王五1'];
const zuixin = [...kuaizi,...kuaizi1];
console.log(zuixin);
// 2、数组的克隆
const A = ['A','B','C'];
const B = [...A];
console.log(B);
// 3、将伪数组转为真正的数组
const divs = document.querySelectorAll('div');
const divArr = [...divs];
console.log(divArr);
</script>