jQuery menyedari paparan atas tetap halaman gelongsor (boleh hilang dan diganti mengikut kedudukan paparan)

jQuery menyedari paparan atas tetap halaman gelongsor (boleh hilang dan diganti mengikut kedudukan paparan)_jquery

WBOY

Lepaskan： 2016-05-16 15:34:52

asal

1208 orang telah melayarinya

Contoh dalam artikel ini menerangkan cara jQuery melaksanakan paparan atas tetap halaman gelongsor (boleh hilang dan diganti mengikut kedudukan paparan). Kongsikan dengan semua orang untuk rujukan anda, butirannya adalah seperti berikut:

JQuery yang diperkenalkan di sini menarik paparan atas tetap halaman dan kesan hilang automatik Mungkin terdapat masalah di bawah pelayar IE, tetapi ia boleh dijalankan pada Firefox untuk melihat kesannya kesan dan juga sangat biasa digunakan "kembali ke atas" "Kesannya, jika anda berminat, sila lihat.

Tangkapan skrin kesan berjalan adalah seperti berikut:

Alamat demo dalam talian adalah seperti berikut:

http://demo.jb51.net/js/2015/jquery-fix-top-cha-show-codes/

Kod khusus adalah seperti berikut:

<!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, div, 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: '';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: '.'; 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 == '6.0' && $.browser.version < 7;
 if ($.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('fixed').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>
<div class="Xc_main clearfix">
 <div class="clearfix" style="margin-top:90px;float:left;">
 <div class="Xc_left">
  <div class="Xc_gg">
  <h1>小丑</h1>
  <div style="margin-top:40px;">Q群:<em style="color:#0069D6;">150508281</em></div>
  </div>
 </div>
 </div>
 <div class="Xc_right clearfix">
  <div class="Xc_list">
  <div class="Xc_list_top" id="Xc_list_top">top 1</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 <div class="Xc_list">
  <div class="Xc_list_top">top 2</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 <div class="Xc_list">
  <div class="Xc_list_top">top 3</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 <div class="Xc_list">
  <div class="Xc_list_top">top 4</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 <div class="Xc_list">
  <div class="Xc_list_top">top 5</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 <div class="Xc_list">
  <div class="Xc_list_top">top 6</div>
  <div class="Xc_list_main" style="height:300px;background:#fff;">
  </div>
 </div>
 </div>
</div>
<div class="Xc_bottom clearfix" id="footerDestinationBox">
 <div style="position:absolute;top:40px;right:50px;"> by 蓝色理想 @哭泣的小丑</div>
</div>
</body>
</html>

Salin selepas log masuk

Saya harap artikel ini akan membantu semua orang dalam pengaturcaraan jQuery.