为什么手风琴在点击时不会扩展或折叠？

问题描述 投票：1回答：2

我已经使用了这个，所以我可以在点击+符号时展开和折叠div，但事实并非如此。它仍然僵硬，不会膨胀或坍塌。我尝试添加和删除每个不需要的脚本，但它仍然无法正常工作。控制台也有错误：

未捕获的TypeError：$（...）。slideReveal不是函数

            <div class="card">
                <div class="card-header" id="headingOne">
                    <div class="row" style="margin-top: -15px; height:52px;">

                        <div class="col-6 pt-3">
                            <h5 class="font-mobile">Planning Engineer</h5>
                        </div>

                        <div class="col-6 pt-3" style="height:auto;">
                            <h5 class="mb-2 text-right">
                                <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">
                                    <h5>+</h5>
                                </button>
                            </h5>
                        </div>
                    </div>

                    <div id="collapseOne" class="collapse" aria-labelledby="headingOne" data-parent="#accordion">
                        <div class="card-body" style="height:auto;">
                            <h5 class="overflow-hidden mt-xs-2">Job Description:</h5>
                            <ul class="text-justify ul-xs">
                                <li>Prepare and update project schedule based on the contract.</li>
                                <li>Set work program and target milestones for each phase based on the project plan</li>
                                <li>Monitor critical activities based on the project schedule and advise project management.</li>
                                <li>Prepares and submit updated work program and cash flow curve showing actual progress and identify areas of weakness and establishes means and methods for recovery, if any, as well as new critical activities.</li>
                                <li>Monitor day to day work progress and prepare the weekly and monthly program and report.</li>
                                <li>Maintain and record update of work progress obtained from Project Manager.</li>
                                <li>Prepares monthly report reflecting work progress summary.</li>
                                <li>Provide process support to the other engineering disciplines</li>
                                <li>Provide specialist technical input into team project work</li>
                                <li>Develop or bring forward, as appropriate, industry best practices and new technologies.</li>
                                <li>Prepare and review project proposals, studies, and technical reports</li>
                                <li>Travel to sites as needed.</li>
                            </ul>
                            <h5> As our ideal candidate you will have:</h5>
                            <ul class="text-justify ul-xs">
                                <li>Bachelor or higher degree in Engineering</li>
                                <li>At least 7-8 years of experience in oil and gas sector.</li>
                                <li>Strong command on MS Project, MS excel and Primavera P6</li>
                                <li>Ability to communicate complex ideas effectively – both verbally and in writing – in English.</li>
                                <li>Outstanding record of academic achievement.</li>
                                <li>Ability to work effectively with people at all levels in an organization.</li>
                                <li>Excellent analytical and quantitative problem-solving skills.</li>
                                <li>Knowledge of International and Local applicable environmental laws and regulations.</li>
                            </ul>

                        </div>
                    </div>
                </div>
            </div>

这是正在渲染的头部的源代码。

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更新：我按此顺序使用它但仍无法正常工作。

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html css twitter-bootstrap bootstrap-4 accordion
2个回答
0
投票

您在data-parent="#accordion"行中添加了额外的<div id="collapseOne" class="collapse" aria-labelledby="headingOne">属性。我刚刚在下面的代码段中删除了这个属性。我希望它会帮助你。谢谢

<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet"/>
<div class="card">
    <div class="card-header" id="headingOne">
        <div class="row" style="margin-top: -15px; height:52px;">

            <div class="col-6 pt-3">
                <h5 class="font-mobile">Planning Engineer</h5>
            </div>

            <div class="col-6 pt-3" style="height:auto;">
                <h5 class="mb-2 text-right">
                    <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">
                        <h5>+</h5>
                    </button>
                </h5>
            </div>
        </div>

        <div id="collapseOne" class="collapse" aria-labelledby="headingOne">
            <div class="card-body" style="height:auto;">
                <h5 class="overflow-hidden mt-xs-2">Job Description:</h5>
                <ul class="text-justify ul-xs">
                    <li>Prepare and update project schedule based on the contract.</li>
                    <li>Set work program and target milestones for each phase based on the project plan</li>
                    <li>Monitor critical activities based on the project schedule and advise project management.</li>
                    <li>Prepares and submit updated work program and cash flow curve showing actual progress and identify areas of weakness and establishes means and methods for recovery, if any, as well as new critical activities.</li>
                    <li>Monitor day to day work progress and prepare the weekly and monthly program and report.</li>
                    <li>Maintain and record update of work progress obtained from Project Manager.</li>
                    <li>Prepares monthly report reflecting work progress summary.</li>
                    <li>Provide process support to the other engineering disciplines</li>
                    <li>Provide specialist technical input into team project work</li>
                    <li>Develop or bring forward, as appropriate, industry best practices and new technologies.</li>
                    <li>Prepare and review project proposals, studies, and technical reports</li>
                    <li>Travel to sites as needed.</li>
                </ul>
                <h5> As our ideal candidate you will have:</h5>
                <ul class="text-justify ul-xs">
                    <li>Bachelor or higher degree in Engineering</li>
                    <li>At least 7-8 years of experience in oil and gas sector.</li>
                    <li>Strong command on MS Project, MS excel and Primavera P6</li>
                    <li>Ability to communicate complex ideas effectively – both verbally and in writing – in English.</li>
                    <li>Outstanding record of academic achievement.</li>
                    <li>Ability to work effectively with people at all levels in an organization.</li>
                    <li>Excellent analytical and quantitative problem-solving skills.</li>
                    <li>Knowledge of International and Local applicable environmental laws and regulations.</li>
                </ul>

            </div>
        </div>
    </div>
</div>

<!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
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0
投票

您可能正在尝试在可以安全地操作DOM之前执行该方法。根本问题是您已将所有脚本标记放在head标记中，而不是在正文内容之后。尝试将您的通话包裹在以下内容中：

$(function() {
  // Handler for .ready() called.
})

参考：https://api.jquery.com/ready/

与问题无关，但一些反馈意见是通过捆绑它们来减少页面上请求的资源数量。这会对最终用户的加载时间产生重大影响。

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