jQury 弹幕
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="utf-8" />
- <title></title>
- <style type="text/CSS">
- *{
- padding: 0;
- margin: 0;
- }
- #box{
- height:700px;
- width:1000px;
- margin: 0 auto;
- border:1px solid #000000;
- position: relative;
- }
- #main{
- width:100%;
- height:605px;
- position: relative;
- overflow: hidden;
- }
- p{
- position: absolute;
- left:1000px;
- width:200px;
- top:0;
- }
- #bottom{
- width:100%;
- height:80px;
- background: #ABCDEF;
- text-align: center;
- padding-top: 15px;
- position: absolute;
- left: 0;
- bottom: 0;
- }
- #txt{
- width:300px;
- height:50px;
- }
- #btn{
- width:100px;
- height:50px;
- }
- </style>
- </head>
- <body>
- <div id="box">
- <div id="main">
- </div>
- <div id="bottom">
- <input type="text" id="txt" placeholder="请输入内容" />
- <input type="button" id="btn" value="发射" />
- </div>
- </div>
- <script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
- <script type="text/javascript">
- $(function(){
- var pageH=parseInt($("#main").height());
- var colorArr=["#cfaf12","#12af01","#981234","#adefsa","#db6be4","#f5264c","#d34a74"];
- $("#btn").bind("click",auto);
- document.onkeydown=function(e){
- if(e.keyCode == 13){
- auto();
- }
- };
- function auto(){
- var $value = $("#txt").val();
- $("#main").append("<p>" + $value + "</p>");
- $("#txt").val("");
- var _top=parseInt(pageH*(Math.random()));
- var num=parseInt(colorArr.length*(Math.random()));
- $("p:last-child").css({"top":_top,"color":colorArr[num],"font-size":"20px"});
- $("p:last-child").animate({"left":"-200px"},10000);
- $("p:last-child").stop().animate({"left":"-300px"},10000,"linear",function(){
- $(this).remove();
- });
- //console.log($value);
- };
- })
- </script>
- </body>
- </html>
来源: http://www.qdfuns.com/article/40230/b068f7901c208c1854aec6c0ebe437ae.html