• js_跑马灯


    跑马灯?刚听到这个词的时候,脑袋第一个想到的是跑马?嗯?就是香港的那种跑马场。懂?其次就是霓虹灯了,一闪一闪的多好看。

    霓虹灯?哦,那是城市的杰作,记忆中是。开往城市边缘开,把车窗都摇下来,用速度换一点痛快。。。

    别问我为什么想到这个歌词,就是想到了。

    技术段:

    CSS

     1 <style type="text/css">
     2     /*1.跑马灯CSS*/
     3     .marquee {
     4         position: relative;
     5         font-size: 1.2rem;
     6         line-height: 1.44rem;
     7         height: 1.4rem;
     8         overflow: hidden;
     9         color: #666;
    10     }
    11     .marquee li {
    12         overflow: hidden;
    13         margin-left: 26.5%;
    14     }
    15 </style>

    HTML

     1 <!-- 2.跑马灯HTML -->
     2   <div class="marquee vip_zmd_area">
     3     <ul id="marqueebox">
     4         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
     5         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
     6         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
     7         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
     8         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
     9         <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    10     </ul>
    11   </div>
    12 <!---->

    JS

     1 <script type="text/javascript">
     2         //3.跑马灯JS
     3         startmarquee(20, 2000); //速度,间隔
     4         function startmarquee(speed, delay) {
     5             var p = false;
     6             var t;
     7             var sh;
     8             var o = document.getElementById("marqueebox");
     9             var lh = document.querySelector('.marquee').clientHeight;
    10             o.innerHTML += o.innerHTML;
    11 
    12             o.style.marginTop = 0;
    13             o.onmouseover = function() {
    14                 p = true;
    15             }
    16             o.onmouseout = function() {
    17                 p = false;
    18             }
    19 
    20             function start() {
    21                 sh = o.offsetHeight;
    22                 o.style.height = sh + 'px';
    23                 t = setInterval(scrolling, speed);
    24                 if(!p) o.style.marginTop = parseInt(o.style.marginTop) - 1 + "px";
    25             }
    26 
    27             function scrolling() {
    28                 if(parseInt(o.style.marginTop) % lh != 0) {
    29                     o.style.marginTop = parseInt(o.style.marginTop) - 1 + "px";
    30                     if(Math.abs(parseInt(o.style.marginTop)) >= sh / 2) o.style.marginTop = 0;
    31                 } else {
    32                     clearInterval(t);
    33                     setTimeout(start, delay);
    34                 }
    35             }
    36             setTimeout(start, delay);
    37             // start();
    38         }
    39 </script>

    伸手党往下看:

     1 <!DOCTYPE html>
     2 <html>
     3 
     4     <head>
     5         <meta charset="UTF-8">
     6         <title></title>
     7         <style type="text/css">
     8             /*1.跑马灯CSS*/
     9             .marquee {
    10                 position: relative;
    11                 font-size: 1.2rem;
    12                 line-height: 1.44rem;
    13                 height: 1.4rem;
    14                 overflow: hidden;
    15                 color: #666;
    16             }
    17             .marquee li {
    18                 overflow: hidden;
    19                 margin-left: 26.5%;
    20             }
    21         </style>
    22     </head>
    23 
    24     <body>
    25         <!-- 2.跑马灯HTML -->
    26         <div class="marquee vip_zmd_area">
    27             <ul id="marqueebox">
    28                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    29                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    30                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    31                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    32                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    33                 <li class="tp"><span class="colorfff">恭喜中国平安张*升级为</span>超级会员</li>
    34             </ul>
    35         </div>
    36         <!---->
    37     </body>
    38     <script type="text/javascript">
    39         //3.跑马灯JS
    40         startmarquee(20, 2000); //速度,间隔
    41         function startmarquee(speed, delay) {
    42             var p = false;
    43             var t;
    44             var sh;
    45             var o = document.getElementById("marqueebox");
    46             var lh = document.querySelector('.marquee').clientHeight;
    47             o.innerHTML += o.innerHTML;
    48 
    49             o.style.marginTop = 0;
    50             o.onmouseover = function() {
    51                 p = true;
    52             }
    53             o.onmouseout = function() {
    54                 p = false;
    55             }
    56 
    57             function start() {
    58                 sh = o.offsetHeight;
    59                 o.style.height = sh + 'px';
    60                 t = setInterval(scrolling, speed);
    61                 if(!p) o.style.marginTop = parseInt(o.style.marginTop) - 1 + "px";
    62             }
    63 
    64             function scrolling() {
    65                 if(parseInt(o.style.marginTop) % lh != 0) {
    66                     o.style.marginTop = parseInt(o.style.marginTop) - 1 + "px";
    67                     if(Math.abs(parseInt(o.style.marginTop)) >= sh / 2) o.style.marginTop = 0;
    68                 } else {
    69                     clearInterval(t);
    70                     setTimeout(start, delay);
    71                 }
    72             }
    73             setTimeout(start, delay);
    74             // start();
    75         }
    76     </script>
    77 
    78 </html>
    View Code

    这是一个上下滚动的跑马灯,需要左右滚动的同学,自己研究下。

    前端这条路,我似乎越陷越深了,那就让我陷下去吧。

    好想来一趟旅行,往西藏,往尼泊尔,往印度,往土耳其,往欧洲,往美国,往巴西,往澳大利亚,往新加坡。

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  • 原文地址:https://www.cnblogs.com/wush-1215/p/8137422.html
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