我正在尝试制作一个进度条,当用户向右滚动到一个示例电子商务站点的一行产品时,它就会启动。我已经得到了一些类型错误,我已经做了调整,但我现在仍然得到错误"TypeError:无法读取属性'addEventListener‘的null“的第12行。 请有人提供帮助,这样它就可以工作了吗?(仅供参考,这段代码仍然有点React新手的味道)。谢谢! import React from 'react';import ProgressBar from './progre
/pages/_app.js:17:3) at PathnameContextProviderAdapter (C:\Users\doguk\Desktop\ecommercetest\e-commercedist\shared\lib\router\adapters.js:60:11)
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<pre>TypeError: signupTemplateCopy is not a constructor<br> at D:\E-commerceReact\shopping\server\node_modules\express\lib\router\layer.js:95:5)<br> at next (D:\E-commerceReact\sho
google ads, negócios6 e-commercelista_categorias = col_categorias.tolist() 它返回 ['wordpress, criação de sites', 'criação de sites', 'e-commercedigital, vendas', 'marketin