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Uncaught (in promise) TypeError: Cannot read property 'length' of null

 3 years ago
source link: https://learnblockchain.cn/question/1956
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Uncaught (in promise) TypeError: Cannot read property 'length' of null

Uncaught (in promise) TypeError: Cannot read property 'length' of null

你好，我也在学习这个主题的区块链，我遇到的问题是这样的，请问一下这个问题该怎么解决呀，而且我的event.preventDefault()起不了作用，点击Submit Bid会跳转界面，这是什么原因呀，求助！！！！
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Tiny熊 - 布道者 2天前

　 擅长：智能合约,以太坊

出现null对象， 是不是 ID 写错了？

xxyxxy 17小时前

没有，应该是event.preventDefault()没有起到作用，导致点击提交时，网页链接附加了一些值，跳转到了另外的页面，导致出现了错误。不知道该怎么办

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