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jQuery實現彈幕效果案例

本文例項為大家分享了實現彈幕效果的具體程式碼,供大家參考,具體內容如下

效果:

jQuery實現彈幕效果案例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"&www.cppcns.comgt;
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <title>吐槽彈幕</title>
    
    <script type="text/" src="jquery-3.2.1.min." ></script>
    <style>
            html,body {
      margin: 0px;
      padding: 0px;
      width: 100%;
      height: 100%;
      font-family: "微軟雅黑";
      font-size: 62.5%;
    }
    
    .boxDom {
      width: 100%;
      height: 100%;
      position: relative;
      overflow: hidden;
  www.cppcns.com
} .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: 1.5IswWflpgr
em; 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">發射</button> </div> </div> </div> <script> $(function () { //註冊事件 各個顏色的彈幕字型 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); $("<span></span>")//建立span .text($("#text").val())//設定內容 .("color",colors[randomColor])//設定字型顏色 .css("left","1400px")//設定left值 .css("top",randomY)//設定top值 .animate({left: -500},10000,"linear",function () { //到了終點,需要刪除 $(this).remove(); })//新增動畫 .appendTo("#boxDom"); $("#text").val(""); }); $("#text").keyup(function (e) { if (e.keyCode == 13) { $("#btn").click(); } }); }); </script> </body> </html>

以上就是本文的全部內容,希望對大家的學習有所幫助,也希客棧望大家多多支援我們。