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关于Uncaught TypeError: Cannot read property 'toLowerCase' of undefined的问题
时间 2021-01-03
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转载 :https://blog.csdn.net/MrZZhou/article/details/59106805 今天我在处理表单时根据触发事件动态获取input中的value值,我是直接在html代码中设置响应函数,函数中用jquery的$(this).val()获取对象的value,结果控制台报出如标题所示的错误,这我就纳了闷了,怎么会这样,甚是纠结,上网一查排在前的相关问题都是stack
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Uncaught TypeError: Cannot read property 'toLowerCase' of undefined
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