本文例項為大家分享了js實現九宮格抽獎的具體程式碼，供大家參考，具體內容如下

<div id="contaner">
  <div id="one">一塊錢</div>
  <div id="two">謝謝惠顧</div>
  <div id="three">下去寫作業</div>
  <div id="four">一局遊戲</div>
  <div id="five">點選抽獎</div>
  <div id="six">兩塊錢</div>
  <div id="seven">下去寫作業</div>
  <div id="eight">謝謝惠顧</div>
  <div id="nigth">兩局遊戲</div>
</div>

CSS：

#contaner {
 width:606px;
 height:606px;
 border:1px solid #cccccc;
 margin:40px auto;
}
#contaner div {
 width:200px;
 height:200px;
 background:#09f;
 text-align:center;
 color:#fff;
 font-size:16px;
 font-weight:bold;
 line-height:200px;
 float:left;
 border:1px solid #cccccc;
}
#contaner #five {
 transition:all 0.5s ease-in-out 0s;
}
#contaner #five:hover {
 cursor:pointer;
 font-size:25px;
 transform:scale(1.2) rotate(360deg);
 background:#fff;
 color:#09f;
}
.ys {
 transform:scale(1.2);
 box-shadow:0 0 0 200px red inset;
}

js：

 window.onload = function() {
   var $ = function(id) {
     return document.getElementById(id);
   }
   var contaner = $('contaner');
   var divs = contaner.getElementsByTagName('div');
   var one = $('one');
   var two = $('two');
   var three = $('three');
   var four = $('four');
   var five = $('five');
   var six = $('six');
   var seven = $('seven');
   var eight = $('eight');
   var night = $('night');
   var k = 0;
   var flag = true;
   five.onclick = function() {
     if (flag) {
       var l = Math.ceil(Math.random() * 10000);
       clearInterval(time);
       var time = setInterval(function() {
         for (var i = 0; i < divs.length; i++) {
           divs[i].className = '';
         }
         divs[k].className = 'ys';
         switch (k) {
           case 0:
           case 1:
             k++;
             break;
           case 2:
           case 5:
             k += 3;
             break;
           case 8:
           case 7:
             k--;
             break;
           case 6:
           case 3:
             k -= 3;
             break;
         }
       },100)
       flag = false;
       var jc = setTimeout(function() {
         clearInterval(time);
         flag = true;
       },l)
     }
   }
 }

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支援我們。