本文实例为大家分享了JS实现随机抽选获奖者的具体代码,供大家参考,具体内容如下
<!--2018年9月12日——————幸运抽奖--> <!DOCTYPE html> <html> <head> <title></title> <style type="text/css"> .select{ background: #3399FF; color:white; } .button{ border-radius: 10px; height: 100px; font-size: 25px; width: 100px; background-color: #3399FF; color: white; } .title{ font-family: cursive; } </style> </head> <body> <div style="text-align:-webkit-center;font-size: 57px;color: #3399FF;" class="title">抽奖人员名单</div> <table style="border:1px solid #ccc; width:800px; height:400px; text-align: center; margin: auto;" background="C:\Users\Administrator\Desktop\%application%\360壁纸\50736.jpg" > <tr> <td id="student_1">谢林峰</td> <td id="student_2">卿明珠</td> <td id="student_3">袁龙</td> <td id="student_4">周志明</td> <td id="student_5">秦玉萍</td> <td id="student_6">金晖</td> <td id="student_7">陶灵峰</td> <td id="student_8">廖杨明</td> </tr> <tr> <td id="student_9">胡雄</td> <td id="student_10">胡俊凡</td> <td id="student_11">李欣</td> <td id="student_12">易君</td> <td id="student_13">湛威</td> <td id="student_14">古海平</td> <td id="student_15">潘杰杰</td> <td id="student_16">伍光政</td> </tr> <tr> <td id="student_17">谭谈</td> <td id="student_18">周强</td> <td id="student_19">陈辉</td> <td id="student_20">李庚云</td> <td id="student_21">吴玉风</td> <td id="student_22">伍鹏</td> <td id="student_23">蔡东龙</td> <td id="student_24">胡俊飞</td> </tr> <tr> <td id="student_25">文捷频</td> <td id="student_26">唐明</td> <td id="student_27">吴鑫培</td> <td id="student_28">唐翌</td> <td id="student_29">邹家欢</td> <td id="student_30">刘朋</td> <td id="student_31">周文才</td> <td id="student_32">阳小松</td> </tr> <tr> <td id="student_33">张明博</td> <td id="student_34">严伟</td> <td id="student_"></td> <td id="student_"></td> <td id="student_"></td> <td id="student_"></td> <td id="student_"></td> <td id="student_"></td> </tr> </table> <sapn style="margin-left: 430px;">抽奖倒计时:</sapn><span id="Ten" style="color:red;font-size: 70px;">10</span> <span style="color:red">s</span> <span style="margin-left: 220px;">幸运星:</span> <span style="font-size: 70px; color: red;" id="Lucky" class="title"></span> <div style="text-align: -webkit-center;"><button onclick="go()" class="button">走你</button></div> </body> <script type="text/javascript"> //鼠标单击事件 var stuInterval; var flag = false; //点击开始事件 function go(){ if(flag != false){ return; } flag = true; setTimeout(function(){ flag = false; },15000); time();//调用时间倒计时方法 //循环选取学生 stuInterval=setInterval(function(){ var ran=Math.floor(Math.random()*34+1); var id="student_"+ran; //获取到文本值并且赋属性 var td=document.getElementById(id); //删除之前的样式 var stuO = document.getElementsByClassName("select"); if(stuO.length != 0){ stuO[0].setAttribute("class",""); }if(stuO){ td.setAttribute("class","select"); var stuname = td.innerText; document.getElementById("Lucky").innerText = stuname; } },200) } //时间倒计时 function time(){ var t=10; var int=setInterval(function(){ --t; var tspan=document.getElementById("Ten"); tspan.innerText=t; if(t==0){ clearInterval(int); clearInterval(stuInterval);//延时特殊情况 } },1000); } </script> </html>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。