本文实例为大家分享了jQuery实现弹幕效果的具体代码,供大家参考,具体内容如下
效果:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>吐槽弹幕</title> <script type="text/javascript" src="jquery-3.2.1.min.js" ></script> <style> html, body { margin: 0px; padding: 0px; width: 100%; height: 100%; font-family: "微软雅黑"; font-size: 62.5%; } .boxDom { width: 100%; height: 100%; position: relative; overflow: hidden; } .idDom { width: 100%; height: 100px; background: #666; position: fixed; bottom: 0px; } .content { display: inline-block; width: 430px; height: 40px; position: absolute; left: 0px; right: 0px; top: 0px; bottom: 0px; margin: auto; } .title { display: inline; font-size: 4em; vertical-align: bottom; color: #fff; } .text { border: none; width: 300px; height: 30px; border-radius: 5px; font-size: 2.4em; } .btn { width: 60px; height: 30px; background: #f90000; border: none; color: #fff; font-size: 2.4em; } span { width: 300px; height: 40px; position: absolute; overflow: hidden; color: #000; font-size: 4em; line-height: 1.5em; cursor: pointer; white-space: nowrap; } </style> </head> <body> <div class="boxDom" id="boxDom"> <div class="idDom" id="idDom"> <div class="content"> <p class="title">吐槽:</p> <input type="text" class="text" id="text"/> <button type="button" class="btn" id="btn">发射</button> </div> </div> </div> <script> $(function () { //注册事件 各个颜色的弹幕字体 var colors = ["red", "green", "hotpink", "pink", "cyan", "yellowgreen", "purple", "deepskyblue"]; $("#btn").click(function () { var randomColor = parseInt(Math.random() * colors.length); var randomY = parseInt(Math.random() * 400); $("<span></span>")//创建span .text($("#text").val())//设置内容 .css("color", colors[randomColor])//设置字体颜色 .css("left", "1400px")//设置left值 .css("top", randomY)//设置top值 .animate({left: -500}, 10000, "linear", function () { //到了终点,需要删除 $(this).remove(); })//添加动画 .appendTo("#boxDom"); $("#text").val(""); }); $("#text").keyup(function (e) { if (e.keyCode == 13) { $("#btn").click(); } }); }); </script> </body> </html>
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