Uncaught TypeError: Cannot read properties of undefined (reading 'from')

Uncaught TypeError: Cannot read properties of undefined (reading 'from')是一个常见的错误。它通常发生在你尝试读取未定义或不存在的属性时。在引用中提到的错误信息中，它显示尝试读取'from'属性时出错。根据引用和，这个错误可能是因为在获取元素之前尝试调用了一个函数。解决这个错误的方法是确保在调用函数之前获取了正确的元素。例如，按照引用中的示例，你可以先获取元素，然后再调用函数，以避免这种类型的错误。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [导入excel Uncaught TypeError: Cannot read properties of undefined (reading ‘read‘)](https://blog.csdn.net/The_Lucky_one/article/details/127202499)[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_2"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [js中控制台报错：Uncaught TypeError: Cannot read properties of undefined (reading ‘appendChild‘)](https://blog.csdn.net/qq_56715703/article/details/128009637)[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_2"}}] [.reference_item style="max-width: 50%"]
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