我的 html 加载后,我无法加载导入的 javascript 文件。我最近开始使用 React 进行编码,而且我对此很陌生。我在我的网站上包含了一个图片库。每当我运行我的代码时,我都会收到此错误:TypeError: Cannot read property 'querySelector' of null据我所知,这是因为首先运行导入的'homebasescript.js',因此没有任何返回。如何更改代码以使其正常工作?我将非常感谢您的帮助!主页.jsimport React, { Component } from 'react';import './Homebase.scss';import Shuffle from 'shufflejs';import Demo from './Homebasescript.js';class homebase extends Component { render() { return ( <section className="about-page"> <div className="container-about"> <div className="row-about"> <div className="col-12@sm"> <h1 className="about-title">Shuffle homepage demo</h1> </div> </div> </div> <div className="container-about"> <div className="row-about"> <div className="col-4@sm col-3@md"> <div className="filters-group"> <label htmlFor="filters-search-input" className="filter-label">Search</label> <input className="textfield filter__search js-shuffle-search" type="search" id="filters-search-input" /> </div> </div> </div> <div className="row-about"> <div className="col-12@sm filters-group-wrap"> <div className="filters-group"> <p className="filter-label">Filter</p> <div className="btn-group filter-options"> <button className="btn btn--primary" data-group="space">Space</button> <button className="btn btn--primary" data-group="nature">Nature</button> <button className="btn btn--primary" data-group="animal">Animal</button> <button className="btn btn--primary" data-group="city">City</button> </div> </div>
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