JQ实现弹幕效果，快来吐糟你的想法吧
代码如下，复制即可使用：
<!DOCTYPE html><html> <head> <meta charset="utf-8" /> <title>JQ实现弹幕效果</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>
更多编程相关内容，请关注24课堂在线网编程入门栏目！
以上就是JQ实现弹幕效果的详细内容，更多请关注24课堂在线网其它相关文章！
