jQuery read more/read less

17 Mar 2025 | 阅读 2 分钟

阅读更多和阅读更少用于改善页面文本的可见性。它允许用户通过按下阅读更多按钮来阅读页面的完整内容，并通过按下阅读更少按钮来隐藏内容。

下面的 jQuery 脚本用于创建阅读更多和阅读更少。

脚本

    <script>
    $(document).ready(function(){
        $(".read").click(function(){
            $(this).prev().toggle();
            $(this).siblings('.dots').toggle();
            if($(this).text()=='Read More'){
                $(this).text('Read Less');
            }
            else{
                $(this).text('Read More');
            }

        });
    });
    </script>

在 jQuery 中，下面的代码用于创建“阅读更多”和“阅读更少”按钮。

代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset = "UTF-8">
    <meta name = "viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery read more / read less example</title>
     <!-- jQuery CDN -->
    <script src = " https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
     <script src = "assets/jquery.min.js"></script>
<style>
    body {
        background-color: bisque;
        padding: 0;
        margin: 0;
    }
    .container {
        font-size: 20px;
    }
    section {
        padding: 20px;
        margin: 10px;
    }
    h1 {
        color: green;
        font-size: 30px;
    }
     .more {
         display: none;
         font-size: 18px;
     }
     button {
         margin: 10px;
         padding: 5px;
         background-color:cadetblue;
         border: none;
         font-size: 18px;
         outline: none;
         display: block;
         cursor: pointer;
         color: wheat;
    }
</style>
</head>
<body>
    <section>
        <div calss = "container">
            <h1>Read More / Read Less Example</h1>
            Lorem ipsum, dolor sit amet consectetur adipisicing elit. Dolores cupiditate sed aut odit pariatur dignissimos maiores.
            <span class = "dots">.....</span>
            <span class = "more" style ="font-size : 18px;">
            Lorem ipsum dolor sit amet consectetur adipisicing elit. Culpa soluta similique minus consectetur unde voluptatibus ipsa! Assumenda corrupti nihil ducimus odio quidem consectetur eveniet, tempore beatae aliquam delectus temporibus quos molestias, accusamus quam explicabo quisquam esse, quibusdam recusandae tenetur necessitatibus nobis debitis hic? Labore, quidem. Nesciunt nulla in possimus minus voluptatibus. Repellendus alias sunt atque asperiores officiis exercitationem corporis unde, ea assumenda nam obcaecati voluptatibus, maiores sint eligendi. Consequatur corporis possimus exercitationem accusamus, est assumenda eum fugit odio, quibusdam porro suscipit ipsa pariatur voluptatum quisquam? Natus at iure veniam autem, porro mollitia hic numquam labore sapiente velit odio exercitationem recusandae?
            </span>
            
            <button class = "read">Read More</button>
        </div>
    </section>
    <!-- Script to add read more and read less -->
    <script>
    $(document).ready(function(){
        $(".read").click(function(){
            $(this).prev().toggle();
            $(this).siblings('.dots').toggle();
            if($(this).text()=='Read More'){
                $(this).text('Read Less');
            }
            else{
                $(this).text('Read More');
            }

        });
    });
    </script>
</body>
</html>

立即测试

输出

点击“阅读更多”按钮 -

点击“阅读更少”按钮 -

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