Uncaught TypeError: Cannot read appendChild

Uncaught TypeError: Cannot read appendChild错误通常是由于在获取元素之前尝试对其进行appendChild操作引起的。这可能是因为JavaScript代码在页面生成之前就执行了，导致无法找到要操作的元素。解决这个问题的方法是将需要获取元素的代码放在获取元素之后执行。例如，将函数调用放在获取元素之后，这样就可以避免这种类型的错误。\[3\]另外，还可以将需要操作的代码放在页面的最下面或者中间，以确保在元素生成之后再进行操作。\[1\]\[2\]
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- *1* [JS控制台报错Uncaught TypeError: Cannot read properties of null (reading ‘appendChild‘)；...](https://blog.csdn.net/m0_47807991/article/details/120974441)[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^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [关于js报错信息Uncaught TypeError: Cannot read properties of null (reading ‘appendChild‘)；](https://blog.csdn.net/eclipse_ali/article/details/120490833)[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^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *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^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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