js 数组首位添加对象

要在JavaScript数组的开头添加一个对象，可以使用unshift()方法。该方法将新项添加到数组的开头，并返回新的长度。例如，以下代码将在数组的开头添加一个名为"全部"的对象，并返回新的数组长度：

var array = res.data.list;
array.unshift({ nameCn: '全部', nameEn: '' });

这样就可以将对象添加到数组的首位了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [js数组开头追加一个对象](https://blog.csdn.net/qq_40047019/article/details/122958649)[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^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [前端 js 向数组首位插入一个对象或者字符串](https://blog.csdn.net/qq_26670901/article/details/84674253)[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^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [Android中webview和js之间的交互调用](https://download.csdn.net/download/jianxin882000/88222550)[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^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
[ .reference_list ]