js reverse函数的用法
时间: 2023-12-04 20:50:07 浏览: 40
引用中提到,reverse()函数用于将数组逆序排列。无关大小,仅根据原顺序逆向输出。比如,给定数组arr = [23,35,2,46,12,调用reverse()函数后,结果为。中也提到了reverse()方法的用法,它是将数组元素反向排列。例如,给定数组values = [1, 2, 3, 4, 5,调用reverse()方法后,结果为。中还介绍了另一种方法来实现数组降序排列。首先,使用sort()方法按照升序对数组进行排序,然后再调用reverse()方法进行逆序排列。例如,给定数组arr = [23, 35, 2, 46, 12,定义一个排序函数sortby,使其返回a-b,然后通过调用arr.sort(sortby).reverse(),结果为。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [JS中关于普通数组和对象数组升序降序及sort()、reverse()用法详解](https://blog.csdn.net/sxjit/article/details/104038935)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *2* [JavaScript排序之sort()与reverse()方法](https://blog.csdn.net/weixin_49012647/article/details/115014304)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]