Error: TypeError, Cannot read properties of undefined (reading 'split')
时间: 2023-10-18 12:31:12 浏览: 57
出现"Error: TypeError, Cannot read properties of undefined (reading 'split')"的错误是因为在代码中试图对一个未定义(或为空)的值进行split操作。这种错误通常在使用split方法之前没有对变量进行判空处理时发生。例如,当你尝试对一个空值或未定义的变量使用split方法时,就会报错。为了解决这个问题,你可以在使用split方法之前添加一个判断条件,确保变量存在并且不为空,然后再进行split操作。在你的代码示例中,通过添加if语句来判断data.subresolution是否存在并且不为空,然后再执行split方法,可以避免这个错误的发生。例如:
if (data.subresolution) {
this.VideoFormat = data.subresolution.split("_");
// 其他操作...
}
这样,当data.subresolution存在并且不为空时,才会执行split方法并将结果赋值给this.VideoFormat变量,避免了TypeError错误的发生。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [Error in mounted hook: “TypeError: Cannot read properties of undefined (reading ‘split‘)](https://blog.csdn.net/m0_61480985/article/details/131664382)[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* [TypeError: Cannot read properties of undefined (reading ‘split‘)](https://blog.csdn.net/weixin_39891473/article/details/122110628)[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 ]
相关推荐
![gz](https://img-home.csdnimg.cn/images/20210720083447.png)
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)