jquery implements Sina Weibo comment scrolling effect_jquery
The example in this article describes the implementation of jquery-like Sina Weibo comment scrolling effect. Share it with everyone for your reference. The details are as follows:
JQuery is used here to achieve the comment scrolling effect, which imitates the Sina Weibo lobby text scrolling effect. It was an effect that many people worshiped in the past, but now it is imitated everywhere. Haha, this is still imitated today, with comments and avatars. Scroll down together. The latest one will fade in and out in a seamless loop. If you think it’s good, just push it down.
Click here to preview the effect:
http://demo.jb51.net/js/2015/jquery-sina-scroll-pl-codes/
The operation effect is as shown below:
The specific code is as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>漂亮的评论滚动效果,带头像图片一起滚动</title> <style> html,body{font-family:Verdana,sans-serif; font-size:12px;} ul{padding:0;} a:link{text-decoration:none;} .box {padding:30px 0 30px 0;background: #C05732;} .box_content a {color:#E6E5CC;} .box_content {clear:both; overflow:hidden; width:287px; padding:0 0 0 30px;} .r_comments{position:relative; height:262px;} .r_comments ul{list-style:none outside none; margin-left:0px; border-top:1px dashed #a04524;} .r_comments ul li{padding:5px 0px; line-height:20px; border-bottom:1px dashed #8C391C; border-top:1px dashed #D08364;} .r_comments li img{background:#FFF; border:1px solid#999; height:32px; float:left; padding:1px; margin:4px 4px 0 0;} </style> </head> <body> <div class="box"> <div class="box_content r_comments"> <ul style="margin-top: 0px;" id="rcslider"> <li style="opacity: 0.6;"><img class="avatar avatar-32 photo lazy" src="/static/imghwm/default1.png" data-src="images/0.png" alt="jquery implements Sina Weibo comment scrolling effect_jquery" style="max-width:90%" style="max-width:90%"> <a href="#">零零零000:<br> 正在学习wordpress,正好找到这篇</a><br> </li> <li style="opacity: 0.6;"><img class="avatar avatar-32 photo lazy" src="/static/imghwm/default1.png" data-src="images/1.png" alt="大世界壹壹壹111" style="max-width:90%" style="max-width:90%"> <a href="#">壹壹壹111:<br> 谷歌搜了下进来了。大牛。</a><br> </li> <li style="opacity: 0.6;"><img class="avatar avatar-32 photo lazy" src="/static/imghwm/default1.png" data-src="images/2.png" alt="天涯海角22" style="max-width:90%" style="max-width:90%"> <a href="#">贰贰贰222:<br> 嘿嘿,看了你的那篇《漂亮的评论滚动效果》</a><br> </li> <li style="opacity: 0.6;"><img class="avatar avatar-32 photo lazy" src="/static/imghwm/default1.png" data-src="images/3.png" alt="小小少年" style="max-width:90%" style="max-width:90%"> <a href="#">打跑小日本-叁叁叁333:<br> 请教个问题,使用media query后</a><br> </li> <li style="opacity: 0.6;"><img class="avatar avatar-32 photo lazy" src="/static/imghwm/default1.png" data-src="images/4.png" alt="大块头儿郎4" style="max-width:90%" style="max-width:90%"> <a href="#">大块头儿郎4:<br> 吹吧,这还挺不错,这个可以测试一下</a><br> </li> </ul> </div> </div> <script src="jquery-1.6.2.min.js" type="text/javascript"></script> <script type="text/javascript"> jQuery(function(a) { a(function() { var b; a("#rcslider").hover(function() { clearInterval(b) }, function() { b = setInterval(function() { var b = a("#rcslider"), c = b.find("li:last").height(); b.animate({ marginTop: c + 3 + "px" }, 1e3, function() { b.find("li:last").prependTo(b), b.find("li:first").hide(), b.css({ marginTop: 0 }), b.find("li:first").fadeIn(1e3) }) }, 3e3) }).trigger("mouseleave") }), a(document).ready(function() { a("#rcslider li").css({ opacity: ".6" }), a("#rcslider li").hover(function() { a(this).stop().fadeTo(300, 1) }, function() { a(this).stop().fadeTo(300, .6) }) }) }); </script> </body> </html>
I hope this article will be helpful to everyone’s jquery programming design.

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Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.

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Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

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