题解 | #数组合并#
数组合并
https://www.nowcoder.com/practice/ba9ee11affbd44539a4104d7f098f06b
<body>
<!-- 填写标签 -->
<script type="text/javascript">
// 填写JavaScript
function concat(arr1, arr2) {
let newArr=arr1.concat(arr2);
return newArr;
}
</script>
</body>