<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>