jQuery实现弹幕效果,代码如下。
案例目录
HTML部分
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>jQuery弹幕案例</title> <link type="text/css" href="https://www.jb51.net/style.css" /> </head> <body> <div> <div></div> <div> <input type="text" placeholder="我来说两句。。。" /> <button type="button">发送</button> </div> </div> <script src="https://www.jb51.net/jquery-1.12.4.js"></script> <script> $(function() { var colors = ["red", "green", "hotpink", "pink", "cyan", "yellowgreen", "purple", "deepskyblue"]; $("#btn").on("click", function() { var randomColor = parseInt(Math.random() * colors.length); var randomY = parseInt(Math.random() * 400); $("<span></span>") //创建span .text($("#txt").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(".top"); $("#txt").val(""); }); }); </script> </body> </html>
CSS部分
* { margin: 0; padding: 0; } .box { width: 1600px; height: 757px; } .top { width: 100%; height: 660px; position: relative; } .bot { width: 100%; height: 97px; background-color: #666666; position: relative; } #txt { width: 300px; height: 30px; border-radius: 5px; position: absolute; left: 50%; margin-left: -150px; top: 50%; margin-top: -15px; border: none; } #btn { width: 60px; height: 30px; color: white; background-color: red; position: absolute; left: 955px; top: 34px; border: none; } span { position: absolute; color: #000; font-size: 50px; line-height: 1.5em; cursor: pointer; white-space: nowrap; }
效果展示
以上就是jQuery实现弹幕效果的代码,希望对您有帮助!
源码下载:jQuery弹幕