模拟了一个文字掉落的JS效果-JS特效-爱易网页

模拟了一个文字掉落的JS效果

日期：2014-05-18　浏览次数：20208 次

以下是程序代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ru">
<head>
 <title></title>
 <meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
 <script src="http://code.jquery.com/jquery.min.js" type="text/javascript"></script>
<style type="text/css">
.canvas{
    width:500px;
    height:500px;
    position:relative;
}
</style>
</head>
<body>
<div>
<input type="button" onclick="javascript:falling.init();" value="GO" />
</div>
<div class="canvas" id="canvas"></div>
<script type="text/javascript">
//http://mitworld.mit.edu/explorer
/*
*坠落效果
*/
function Falling(){
    this.dict=["abcd","2222","sign","next","container","content","last","break","less","than","that","absolute","relative","my","index","html","java","c#","web","javascript","php","include","shit","bull","big","smart","call","apply","callee","caller","function"];
    this.canvas=$("#canvas");
    this.step=15;
    this.freq=10;
    this.height=500;
    this.width=500;
    this.si=null;
}
Falling.prototype={
    fallingAction:function(dom){
        var self=this;
        var freqs=[10,15,20];//每次下落的距离
        var disS=[];//记录所有dom的当前距离
        var disPerFreqS=[];//每个dom的
        var targetDis=500;
        var domCssTopS=[];//所有dom的top属性
        var successDom=[];//记录哪些dom已经结束运动
        var successCount=0;//有多少个dom已经结束
        var total=dom.length;
        var freqMarkLength=freqs.length;
        for(var i=0,j=dom.length;i<j;i++){
            domCssTopS[i]=dom[i].position().top;
            disS[i]=0;
            disPerFreqS[i]=freqs[parseInt(Math.random()*freqMarkLength)];
        }
        self.si=setInterval(function(){
            if(successCount>=total){
                clearInterval(self.si);
            }
            for(var i=0,j=dom.length;i<j;i++){
                if(typeof(successDom[i])!="undefined" && successDom[i]=="ok"){
                    continue;
                }
                disS[i] += disPerFreqS[i];
                if(disS[i] >= targetDis){
                    dom[i].css("top", targetDis+domCssTopS[i]);
                    successDom[i]="ok";
                    successCount++;;
                }else{
                    dom[i].css("top", disS[i]+domCssTopS[i]);
                }
            }
        },self.freq);
    },
    init:function(){
        var self=this;
        self.canvas.html('');
        var dom=[];
        var l=0;
        var t=0;
        var tempDom=$("<div style='position;absolute;left:-100000;visibility:hidden'></div>").appendTo($("body"));
        for(var i=0,j=self.dict.length;i<j;i++){
            dom[i]=$("<span style='position:absolute'>"+self.dict[i]+"</span>").appendTo(tempDom);
            var domWidth=dom[i].width();
            var domHeight=dom[i].height();
            if(t<self.height){
                if(l<self.width){
                    if(domWidth+l<=self.width){
                        dom[i].css({"top":t,"left&quo</div></div>

<div class="clearfix"></div>
                    </div>
                    <nav aria-label="...">
                        <ul class="pager">
                            <li class="previous"><a href="4667">上一篇：狡猾的按钮特效</a></li>

<li class="next"><a href="1623">下一篇：用marquee和div+js实现首尾相连循环滚动效果</a></li>
                        </ul>
                    </nav>

<div class="alert alert-warning" role="alert">
                        <strong>免责声明：</strong> 本文仅代表作者个人观点，与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。
                    </div>

<div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34283' title='三星已经将Galaxy S5视为失败之作？' target="_blank">
                        三星已经将Galaxy S5视为失败之作？</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34227' title='曹国伟：微博将关注Facebook和Twitter' target="_blank">
                        曹国伟：微博将关注Facebook和Twitter</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34409' title='雷军会做赔钱生意？迅雷跌破发行价 市值仅7亿美元' target="_blank">
                        雷军会做赔钱生意？迅雷跌破发行价 市值仅7亿美元</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34416' title='蓝宝石PK大猩猩玻璃：作为屏幕谁更有优势？' target="_blank">
                        蓝宝石PK大猩猩玻璃：作为屏幕谁更有优势？</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34457' title='黑狐病毒疯传播 电脑管家首推 专杀工具' target="_blank">
                        黑狐病毒疯传播 电脑管家首推 专杀工具</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/674' title='微软最后的救命稻草Win 8份额继续上升' target="_blank">
                        微软最后的救命稻草Win 8份额继续上升</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/10847' title='论：三大运营商运用商店逆袭并非不能够' target="_blank">
                        论：三大运营商运用商店逆袭并非不能够</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34369' title='同程旅游融资后变土豪 如何烧钱占领市场？' target="_blank">
                        同程旅游融资后变土豪 如何烧钱占领市场？</a></li></div>
                   
                
                  <div class="col-md-6 col-xs-12">
                      <li class="articleAbout"><a href='/ItNews/34270' title='联通丹东公司一高管造假套出手机变卖被判刑7年' target="_blank">
                        联通丹东公司一高管造假套出手机变卖被判刑7年</a></li></div>
                   
                
        </ol>
    </div>
</div>

</div>

</div>
            </div>
            <div class="clearfix"></div>

<footer class=" footer navbar-bottom">
<em>友情链接：</em>
    
      <a href="http://www.aiyiweb.com/" target="_blank">爱易网 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">云虚拟主机技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">云服务器技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">程序设计技术 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">开发网站 </a>            
    
      <a href="http://www.aiyiweb.com/" target="_blank">APP开发教程 </a>            
    
<br />
<script type="text/javascript">(function(){document.write(unescape('%3Cdiv id="bdcs"%3E%3C/div%3E'));var bdcs = document.createElement('script');bdcs.type = 'text/javascript';bdcs.async = true;bdcs.src = 'http://znsv.baidu.com/customer_search/api/js?sid=15239353030108964139' + '&plate_url=' + encodeURIComponent(window.location.href) + '&t=' + Math.ceil(new Date()/3600000);var s = document.getElementsByTagName('script')[0];s.parentNode.insertBefore(bdcs, s);})();</script>

Copyright © 2013-2026 爱易网页 当前在线：1139人　
        网站在19时11分1秒内访问总人数：230727人
    当前 16.28%
　<a href="https://beian.miit.gov.cn" target="_blank">粤ICP备18100884号-2 </a>
<script charset="UTF-8" id="LA_COLLECT" src="//sdk.51.la/js-sdk-pro.min.js"></script>
<script>LA.init({ id: "JszEmKrtpbU59dY5", ck: "JszEmKrtpbU59dY5" })</script>

</footer>

</div>
   
</body>
</html>