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javascript - 为什么我的页面上没有出现 JQuery UI 滑块？

问题描述

我试图让 JQuery UI 在我的 HTML 页面上工作但没有成功。具体来说，我想使用范围滑块，但无法在页面上显示任何内容。我已经下载了 JQuery UI 文件夹并将其导入到我的代码文件中。我现在拥有的代码如下：

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="/styles.css" />
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick.css" />
  <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;700&display=swap" rel="stylesheet">

  <link rel="stylesheet" href="/jquery-ui-1.12.1.custom/jquery-ui.min.css">
  <script src="/jquery-ui-1.12.1.custom/external/jquery/jquery.js"></script>
  <script src="/jquery-ui-1.12.1.custom/jquery-ui.min.js"></script>
  <script>
    $( function() {
      $( "#slider-range" ).slider({
        range: true,
        min: 0,
        max: 500,
        values: [ 75, 300 ],
        slide: function( event, ui ) {
          $( "#amount" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
        }
      });
      $( "#amount" ).val( "$" + $( "#slider-range" ).slider( "values", 0 ) +
        " - $" + $( "#slider-range" ).slider( "values", 1 ) );
    } );
    </script>

</head>
<body>

     <section class = "nav-bar"></section>
 <p>
    <label for="amount">Price range:</label>
    <input type="text" id="amount" readonly style="border:0; color:#f6931f; font-weight:bold;">
  </p>

  <div id="slider-range"></div> 

</section>

非常感谢任何人对此的帮助！

标签： javascripthtmljquerycssjquery-ui

解决方案

自定义的 jQuery 脚本会导致问题。我评论了你的并添加了默认的 js 和缺少的 css。（最好将脚本移动到页脚）

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="/styles.css" />
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick.css" />
  <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;700&display=swap" rel="stylesheet">
 
<!-- my Styles start -->
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<!-- my Styles end -->

<link rel="stylesheet" href="/jquery-ui-1.12.1.custom/jquery-ui.min.css">
  
<!-- my jQuery start -->
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<!-- my jQuery end -->

<!-- my Script start -->
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<!-- my Script end -->
  
<!--   <script src="/jquery-ui-1.12.1.custom/external/jquery/jquery.js"></script> -->
<!--   <script src="/jquery-ui-1.12.1.custom/jquery-ui.min.js"></script> -->
  <script>
    $( function() {
      $( "#slider-range" ).slider({
        range: true,
        min: 0,
        max: 500,
        values: [ 75, 300 ],
        slide: function( event, ui ) {
          $( "#amount" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
        }
      });
      $( "#amount" ).val( "$" + $( "#slider-range" ).slider( "values", 0 ) +
        " - $" + $( "#slider-range" ).slider( "values", 1 ) );
    } );
    </script>

</head>
<body>

     <section class = "nav-bar"></section>
 <p>
    <label for="amount">Price range:</label>
    <input type="text" id="amount" readonly style="border:0; color:#f6931f; font-weight:bold;">
  </p>

  <div id="slider-range"></div> 
</body>

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