本篇内容我们用js配合css样式表来实现一个滚动时钟的动画效果,这个效果一般都是用在网页开场动画以及区域的时间显示中,非常好看,动画效果也很个性,我们先来看下运行后的效果:
下面就是这个滚动时钟动画的全部代码:
<!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=gb2312" /> <title>CSS3+JS滚动数字时钟代码-</title> <style> body{text-align: center;background-color: #0e141b;color: rgba(224, 230, 235, 0.89);font-family: 'Roboto Condensed', sans-serif;font-weight: 300;overflow: hidden;} .column,.colon{display: inline-block;vertical-align: top;font-size: 86px;line-height: 86px;} .column{-webkit-transition: -webkit-transform 300ms;transition: -webkit-transform 300ms;transition: transform 300ms;transition: transform 300ms, -webkit-transform 300ms;} .colon{-webkit-transition: -webkit-transform 300ms;transition: -webkit-transform 300ms;transition: transform 300ms;transition: transform 300ms, -webkit-transform 300ms;-webkit-transform: translateY(calc(50vh - 43px));transform: translateY(calc(50vh - 43px));} .colon:after{content: ':';} .num{-webkit-transition: opacity 500ms, text-shadow 100ms;transition: opacity 500ms, text-shadow 100ms;opacity: 0.025;} .num.visible{opacity: 1.0;text-shadow: 1px 1px 0px #336699;} .num.close{opacity: 0.35;} .num.far{opacity: 0.15;} .num.distant{opacity: 0.1;} </style> </head> <body> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> </div> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> <div class="num">3</div> <div class="num">4</div> <div class="num">5</div> <div class="num">6</div> <div class="num">7</div> <div class="num">8</div> <div class="num">9</div> </div> <div class="colon"></div> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> <div class="num">3</div> <div class="num">4</div> <div class="num">5</div> </div> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> <div class="num">3</div> <div class="num">4</div> <div class="num">5</div> <div class="num">6</div> <div class="num">7</div> <div class="num">8</div> <div class="num">9</div> </div> <div class="colon"></div> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> <div class="num">3</div> <div class="num">4</div> <div class="num">5</div> </div> <div class="column"> <div class="num">0</div> <div class="num">1</div> <div class="num">2</div> <div class="num">3</div> <div class="num">4</div> <div class="num">5</div> <div class="num">6</div> <div class="num">7</div> <div class="num">8</div> <div class="num">9</div> </div> <script> 'use strict'; var size = 86; var columns = Array.from(document.getElementsByClassName('column')); var d = undefined, c = undefined; var classList = ['visible', 'close', 'far', 'far', 'distant', 'distant']; var use24HourClock = true; function padClock(p, n) { return p + ('0' + n).slice(-2); } function getClock() { d = new Date(); return [use24HourClock "htmlcode"><style> body{text-align: center;background-color: #0e141b;color: rgba(224, 230, 235, 0.89);font-family: 'Roboto Condensed', sans-serif;font-weight: 300;overflow: hidden;} .column,.colon{display: inline-block;vertical-align: top;font-size: 86px;line-height: 86px;} .column{-webkit-transition: -webkit-transform 300ms;transition: -webkit-transform 300ms;transition: transform 300ms;transition: transform 300ms, -webkit-transform 300ms;} .colon{-webkit-transition: -webkit-transform 300ms;transition: -webkit-transform 300ms;transition: transform 300ms;transition: transform 300ms, -webkit-transform 300ms;-webkit-transform: translateY(calc(50vh - 43px));transform: translateY(calc(50vh - 43px));} .colon:after{content: ':';} .num{-webkit-transition: opacity 500ms, text-shadow 100ms;transition: opacity 500ms, text-shadow 100ms;opacity: 0.025;} .num.visible{opacity: 1.0;text-shadow: 1px 1px 0px #336699;} .num.close{opacity: 0.35;} .num.far{opacity: 0.15;} .num.distant{opacity: 0.1;} </style>JS代码主要就是控制动画的滚动效果,CSS用来控制数字的大小等内容。
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