TypeError： Cannot read property ‘addEventListener’ of null - 代码天地

TypeError： Cannot read property ‘addEventListener’ of null

其他 2021-01-30 23:30:44 阅读次数: 0

我的错误原因：
粗心 .getElementById()中的id多加了一个空格
修改后：
在这里插入图片描述

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转载自blog.csdn.net/qq_45915957/article/details/110275766

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