【问题标题】:How to make text read more/less in jquery?如何在 jquery 中使文本阅读更多/更少?
【发布时间】:2022-01-10 21:27:15
【问题描述】:

我不知道也许 jquery 不起作用。错误在哪里?我想让点击时阅读更少的类型文本。当我单击阅读更多时,没有任何反应。如何解决?

$('.moreless-button').click(function() {
  $('.moretext').slideToggle();
  if ($('.moreless-button').text() == "Read more") {
    $(this).text("Read less")
  } else {
    $(this).text("Read more")
  }
});
.moretext {
  display: none;
}
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <!--Bootstrap-5-->
  <!-- Latest compiled and minified CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet" />


  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>GEM HODLERS CRYPTO NEWS</title>
</head>

<body>


  <!--Main-Content-->
  <div class="container col-lg-12 text-center Main-Content">
    <h1>#1 ON GOOGLE IN OUR CATEGORY</h1>
    <img src="https://gemhodlers.com/wp-content/uploads/dSection3.jpg" class="img-fluid" />
    <h2 class="imp-cap">
      In current growth models, we are forecasting 1 million visitors per month by EOY 2022.<br /> (Screenshot taken 30 October 2021.)
    </h2>
    <img src="https://gemhodlers.com/wp-content/uploads/dSection4.jpg" alt="logo-picture " class="img-fluid top-logo" />
    <h1>
      Quick question: Is your team looking for cost-effective advertising & marketing solutions from a reputable name in the crypto space, that guarantees maximum visibility and attention from willing investors, that will help your project grow and reach its
      maximum potential?
    </h1>
    <div class="moretext">
      <h1 class="collec-text">
        We are Gem Hodlers, a crypto-only news platform that gets heavy niche traffic from active and curious investors. We are also a full scale marketing agency. Through our platform, we offer different targeted marketing services, including various types of
        advertising, project review articles and summaries, press releases, email outreach, platform highlights, social media promotion, and more, all through our platform.
      </h1>
      <h1 class="collec-text">
        To summarize, we have our own crypto news platform that gets more than ¼ million visitors per month, that we currently offer various advertising and publications on, as well as other promotional material. We have ~6k email subscribers that we send weekly
        newsletters to that we feature our sponsored projects in. We also offer an add-on service to send a dedicated email to all our subs giving them your project info with instructions on how they can involved, amongst other services to help you connect
        with our highly niche audience.
      </h1>
      <h1>
        We are able to do this because we do not rely on anyone else’s platform.
      </h1>
      <h1>
        we connect you with those exact same investors that the websites above do, and stimulate the same growth, but for significantly less cost.
      </h1>
      <h1>
        and we've recently been getting a noticeably increasing amount of Polygon, Solana, Fantom, and Avalanche network traffic.
      </h1>
      <h1>
        If your team is paying for space on our platform, for any length of time, then it is fully yours, and all visitors will see it for the duration.
      </h1>
      <h1>
        We offer actual advertising and real-life marketing that leads to our client’s projects having higher valuations with more investors, and we offer our services to projects we have good reason to believe our audience would be interested in investing their
        hard-earned money into.
      </h1>
      <h1>
        Having all of that said… thank you for your time, and welcome to the World of Gem Hodlers!
      </h1>
    </div>
    <a class="moreless-button" href="#">Read more</a>
    <h2 class="bottom-text">The Gem Hodlers team</h2>



</body>

</html>

【问题讨论】:

  • 你有错误说你没有加载 jquery 脚本
  • 是的..你必须加载 jquery 脚本

标签: javascript html jquery css bootstrap-4


【解决方案1】:
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <!--Bootstrap-5-->
    <!-- Latest compiled and minified CSS -->
    <link
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css"
      rel="stylesheet"
    />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <!-- Latest compiled JavaScript -->
    <style>
      .moretext {
        display: none;
      }
    </style>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>GEM HODLERS CRYPTO NEWS</title>
  </head>
  <body>
   
   
    <!--Main-Content-->
    <div class="container col-lg-12 text-center Main-Content">
      <h1>#1 ON GOOGLE IN OUR CATEGORY</h1>
      <img
        src="https://gemhodlers.com/wp-content/uploads/dSection3.jpg"
        class="img-fluid"
      />
      <h2 class="imp-cap">
        In current growth models, we are forecasting 1 million visitors per
        month by EOY 2022.<br />
        (Screenshot taken 30 October 2021.)
      </h2>
      <img
        src="https://gemhodlers.com/wp-content/uploads/dSection4.jpg"
        alt="logo-picture "
        class="img-fluid top-logo"
      />
      <h1 >
        Quick question: Is your team looking for cost-effective advertising &
        marketing solutions from a reputable name in the crypto space, that
        guarantees maximum visibility and attention from willing investors, that
        will help your project grow and reach its maximum potential?
      </h1>
      <div class="moretext">
        <h1 class="collec-text">
          We are Gem Hodlers, a crypto-only news platform that gets heavy niche
          traffic from active and curious investors. We are also a full scale
          marketing agency. Through our platform, we offer different targeted
          marketing services, including various types of advertising, project
          review articles and summaries, press releases, email outreach, platform
          highlights, social media promotion, and more, all through our platform.
        </h1>
        <h1 class="collec-text">
          To summarize, we have our own crypto news platform that gets more than ¼
          million visitors per month, that we currently offer various advertising
          and publications on, as well as other promotional material. We have ~6k
          email subscribers that we send weekly newsletters to that we feature our
          sponsored projects in. We also offer an add-on service to send a
          dedicated email to all our subs giving them your project info with
          instructions on how they can involved, amongst other services to help
          you connect with our highly niche audience.
        </h1>
        <h1 >
           We are able to
          do this because we do not rely on anyone else’s platform.
        </h1>
        <h1 >
          we connect you with those exact same investors that the
          websites above do, and stimulate the same growth, but for significantly
          less cost.
        </h1>
        <h1 >
          and we've
          recently been getting a noticeably increasing amount of Polygon, Solana,
          Fantom, and Avalanche network traffic.
        </h1>
        <h1 >
           If your team is paying for space on our platform,
          for any length of time, then it is fully yours, and all visitors will
          see it for the duration.
        </h1>
        <h1 >
          We offer
          actual advertising and real-life marketing that leads to our client’s
          projects having higher valuations with more investors, and we offer our
          services to projects we have good reason to believe our audience would
          be interested in investing their hard-earned money into.
        </h1>
        <h1 >
          Having all of that said… thank you for your time, and welcome to the
          World of Gem Hodlers!
        </h1>
      </div>
      <a class="moreless-button" href="#">Read more</a>
      <h2 class="bottom-text">The Gem Hodlers team</h2>
     
      
    <script>
      $('.moreless-button').click(function() {
        $('.moretext').slideToggle();
        if ($('.moreless-button').text() == "Read more") {
          $(this).text("Read less")
          document.querySelector('.moretext').style.display = 'block';
        } else {
          $(this).text("Read more")
          document.querySelector('.moretext').style.display = 'none';
        }
      });
    </script>
  </body>
</html>

【讨论】:

  • 您的答案可以通过额外的支持信息得到改进。请edit 添加更多详细信息,例如引用或文档,以便其他人可以确认您的答案是正确的。你可以找到更多关于如何写好答案的信息in the help center
【解决方案2】:

您需要在使用之前引用 jQuery 文件。

这可以通过从here 下载源文件并添加来完成

<script src="jquery-3.x.x.min.js"></script>

或者更方便和简单的方法是只使用 CDN:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

【讨论】:

    【解决方案3】:

    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <!--Bootstrap-5-->
        <!-- Latest compiled and minified CSS -->
        <link
          href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css"
          rel="stylesheet"
        />
     
    
        <!-- Latest compiled JavaScript -->
       <style>
          .moretext {
      display: none;
    }
        </style>
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>GEM HODLERS CRYPTO NEWS</title>
      </head>
      <body>
       
       
        <!--Main-Content-->
        <div class="container col-lg-12 text-center Main-Content">
          <h1>#1 ON GOOGLE IN OUR CATEGORY</h1>
          <img
            src="https://gemhodlers.com/wp-content/uploads/dSection3.jpg"
            class="img-fluid"
          />
          <h2 class="imp-cap">
            In current growth models, we are forecasting 1 million visitors per
            month by EOY 2022.<br />
            (Screenshot taken 30 October 2021.)
          </h2>
          <img
            src="https://gemhodlers.com/wp-content/uploads/dSection4.jpg"
            alt="logo-picture "
            class="img-fluid top-logo"
          />
          <h1 >
            Quick question: Is your team looking for cost-effective advertising &
            marketing solutions from a reputable name in the crypto space, that
            guarantees maximum visibility and attention from willing investors, that
            will help your project grow and reach its maximum potential?
          </h1>
          <div class="moretext">
            <h1 class="collec-text">
              We are Gem Hodlers, a crypto-only news platform that gets heavy niche
              traffic from active and curious investors. We are also a full scale
              marketing agency. Through our platform, we offer different targeted
              marketing services, including various types of advertising, project
              review articles and summaries, press releases, email outreach, platform
              highlights, social media promotion, and more, all through our platform.
            </h1>
            <h1 class="collec-text">
              To summarize, we have our own crypto news platform that gets more than ¼
              million visitors per month, that we currently offer various advertising
              and publications on, as well as other promotional material. We have ~6k
              email subscribers that we send weekly newsletters to that we feature our
              sponsored projects in. We also offer an add-on service to send a
              dedicated email to all our subs giving them your project info with
              instructions on how they can involved, amongst other services to help
              you connect with our highly niche audience.
            </h1>
            <h1 >
               We are able to
              do this because we do not rely on anyone else’s platform.
            </h1>
            <h1 >
              we connect you with those exact same investors that the
              websites above do, and stimulate the same growth, but for significantly
              less cost.
            </h1>
            <h1 >
              and we've
              recently been getting a noticeably increasing amount of Polygon, Solana,
              Fantom, and Avalanche network traffic.
            </h1>
            <h1 >
               If your team is paying for space on our platform,
              for any length of time, then it is fully yours, and all visitors will
              see it for the duration.
            </h1>
            <h1 >
              We offer
              actual advertising and real-life marketing that leads to our client’s
              projects having higher valuations with more investors, and we offer our
              services to projects we have good reason to believe our audience would
              be interested in investing their hard-earned money into.
            </h1>
            <h1 >
              Having all of that said… thank you for your time, and welcome to the
              World of Gem Hodlers!
            </h1>
          </div>
          <a class="moreless-button" href="#">Read more</a>
          <h2 class="bottom-text">The Gem Hodlers team</h2>
         
          <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
        <script>
          $('.moreless-button').click(function() {
      $('.moretext').slideToggle();
      if ($('.moreless-button').text() == "Read more") {
        $(this).text("Read less")
      } else {
        $(this).text("Read more")
      }
    });
        </script>
      </body>
    </html>

    【讨论】:

    • 我在body标签前的底部添加了jquery的链接....
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