jQuery implements the function of fixing the top display of the sliding page-JS Tutorial-php.cn

jQuery implements the function of fixing the top display of the sliding page

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Release： 2018-06-25 14:40:48

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This article mainly introduces jQuery to realize the fixed top display of the sliding page. It can also disappear and replace the corresponding current display item according to the display position. It has certain reference value. Friends in need can refer to this article

The example describes jQuery's implementation of a fixed top display on a sliding page (which can disappear and be replaced according to the display position). I share it with you for your reference. The details are as follows:

The jQuery introduced here pulls the page to a fixed top display and automatically disappears. There may be a problem under the IE browser, but it can be run on Firefox to see the effect. One Simple web page special effects, also a very commonly used "back to top" effect, take a look if you are interested.

The screenshot of the running effect is as follows:

The specific code is as follows:

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>回到顶部：哭泣的小丑</title>
<script src="jquery-1.6.2.min.js"></script>
<!-- CSS模板清除 -->
<style>
html, body, p, span, applet, object, iframe,h1, h2, h3, h4, h5, h6, p, blockquote, pre,a, abbr, acronym, address, big, cite, code,del, dfn, em, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,b, u, i, center,dl, dt, dd, ol, ul, li,fieldset, form, label, legend, input,table, caption, tbody, tfoot, thead, tr, th, td,article, aside, canvas, details, embed,figure, figcaption, footer, header, hgroup,menu, nav, output, ruby, section, summary,time, mark, audio, video {margin: 0;padding: 0;border: 0;font-size: 100%;}
article, aside, details, figcaption, figure,footer, header, hgroup, menu, nav, section {display: block;float:left;}select, input, button,button img, label {vertical-align: middle;}body {font:normal 12px/1.5 "Microsoft Yahei","微软雅黑",Tahoma,Arial,Helvetica,STHeiti; webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased; color:#666;}ol, ul {list-style: none;}blockquote, q {quotes: none;}blockquote:before, blockquote:after,q:before, q:after {content: &#39;&#39;;content: none;}table {border-collapse: collapse;border-spacing: 0;}em {font-style: normal}select, input, button, button img, label {vertical-align:middle;}input {font-family:"Microsoft Yahei","微软雅黑";webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased}input, input:focus, button, button:focus, select,textarea, textarea:focus {outline:none; -moz-outline:none; -webkit-outline:none; }input:focus { outline:none; -moz-outline:none; -webkit-outline:none; }textarea {resize:none;}a {color:#666; text-decoration:none;} a:hover {text-decoration:underline;}a:focus {outline:none; -moz-outline:none;-webkit-outline:none;}body {min-width: 960px;}
</style>
<!-- CSS模板清除 E-->
<!-- main CSS -->
<style>
body{background:#e7e7e7;}
.clearfix:before, .clearfix:after, .container_24:before, .container_24:after {
 content: &#39;.&#39;; display: block; overflow: hidden; visibility: hidden; font-size: 0; line-height: 0; width: 0; height: 0;}
.clearfix:after, .container_24:after { clear: both; }
.Xc_main{width:750px;margin:0 auto;position:relative;}
.Xc_left{float:left;}
.Xc_left h1{font-size:24px;padding-top:25px;}
.Xc_right{float:right;width:600px;}
.Xc_right .Xc_list{margin:10px 0 10px 0;}
.Xc_list_top,.Xc_list_main{background:#fff;padding:10px;border:1px solid #ccc;}
.Xc_list_top{margin-bottom:10px;}
.Xc_gg{width:90px;height:90px;border:1px solid #ccc;background:#fff;text-align:center;}
.Xc_bottom{height:650px;background:#fff;padding:10px;border:1px solid #ccc;position:relative;}
</style>
<!-- main CSS E-->
</head>
<script>
$(function () {
 $(".Xc_list_top").css("width",$(".Xc_list_main").width());
 var resetRightPanelPostion = function () {
 var msie6 = $.browser.msie && $.browser.version == &#39;6.0&#39; && $.browser.version < 7;
 if ($.browser.safari) {
  bodyelem = $("body");
 } else {
  bodyelem = $("html,body");
 }
 var bodyTop = bodyelem.scrollTop();
 var top = $(".Xc_left").offset().top;
 //var t = $("#public_footer").offset().top;
 var t = $("#footerDestinationBox").offset().top;
 //var bottom = $("#footerDestinationBox").offset().top;
  for(var i = 0 ; i < $(".Xc_list .Xc_list_top").length ; i++){
   if (bodyTop >= top && ((bodyTop + $(".Xc_left").outerHeight()) < t)) {
    if (!msie6) {
     if (bodyTop + $(".Xc_gg").outerHeight() >= t) {
      $(".Xc_gg").removeClass(&#39;fixed&#39;).css({
       "position": "absolute",
       "top": t - $(".Xc_gg").outerHeight() + "px"
      });
     } else {
      $(".Xc_gg").css({
       "position": "fixed",
       "top": 0
      });
     }
    }
   } else {
    if (!msie6) {
     $(".Xc_gg").css({
      "position": "static"
     });
    }
   }
   if(bodyTop>$(".Xc_list").eq(i).offset().top){
    $(".Xc_list_top").eq(i).css({position:"absolute",top:top-168});
   }
   if(bodyTop>$(".Xc_list").eq(i).offset().top){
    $(".Xc_list_top").eq(i).css({position:"fixed",top:0});
   }
   if(bodyTop<=$(".Xc_list").eq(i).offset().top){
    $(".Xc_list_top").eq(i).css({position:"static",top:0});
   }
  }
 };
 window.onload = function () {
 if ($(".Xc_gg").length) {
  resetRightPanelPostion();
  $(window).scroll(function () {
  resetRightPanelPostion();
  });
 }
 }
})
</script>
<body>
<p class="Xc_main clearfix">
 <p class="clearfix" style="margin-top:90px;float:left;">
 <p class="Xc_left">
  <p class="Xc_gg">
  <h1>小丑</h1>
  <p style="margin-top:40px;">Q群:<em style="color:#0069D6;">150508281</em></p>
  </p>
 </p>
 </p>
 <p class="Xc_right clearfix">
  <p class="Xc_list">
  <p class="Xc_list_top" id="Xc_list_top">top 1</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 <p class="Xc_list">
  <p class="Xc_list_top">top 2</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 <p class="Xc_list">
  <p class="Xc_list_top">top 3</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 <p class="Xc_list">
  <p class="Xc_list_top">top 4</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 <p class="Xc_list">
  <p class="Xc_list_top">top 5</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 <p class="Xc_list">
  <p class="Xc_list_top">top 6</p>
  <p class="Xc_list_main" style="height:300px;background:#fff;">
  </p>
 </p>
 </p>
</p>
<p class="Xc_bottom clearfix" id="footerDestinationBox">
 <p style="position:absolute;top:40px;right:50px;"> by 蓝色理想 @哭泣的小丑</p>
</p>
</body>
</html>

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