双色球 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    .big{
        width: 750px;
        height: 100px;
        /* border: 1px solid; */
        margin: 50px auto;
    }
    .b{
        width: 100px;
        height: 100px;
        /* border: 1px solid; */
        display: inline-block;
        border-radius: 50%;
        background: red;
        position: relative;
        text-align: center;
        line-height: 100px;
        font-size: 50px;
        font-weight: bold;
        color: white;

    }
    .suparblock{
        background: blue;
    }
    span{
        font-size: 40px;
        text-align: center;
        position: absolute;
        color: white;
        font-weight: bold;
        top: 22px;
        left: 27px;
        z-index: 5;

    }
    button{
        position: relative;
        left: 320px;
        top: 20px;
    }
    </style>
</head>
<body>
    <div class="big">
        <div class="b" id="div0"></div>
        <div class="b" id="div1"></div>
        <div class="b" id="div2"></div>
        <div class="b" id="div3"></div>
        <div class="b" id="div4"></div>
        <div class="b" id="div5"></div>
        <div class="b suparblock" id="div6"></div>
        <button id="startbtn">开始</button>
        <button id="endbtn">停</button>
    </div>
    
    <script>
        let b = document.getElementsByClassName('b');
        let startbtn = document.getElementById("startbtn")
        let endbtn = document.getElementById("endbtn");
        let getnum = function(){
            let arr=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33];
            let max=arr.length;
            let rand = Math.floor(Math.random()*max);  //输出0-32的数 
            return arr[rand];
        }
        let bluegetnum = function(){
            let arr=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16];
            let max=arr.length;
            let rand = Math.floor(Math.random()*max);  //输出0-32的数 
            return arr[rand];
        }
        // let start = function(){

        // }
        

        let stopTimer ;
        startbtn.onclick = function(){
            startbtn.disabled = true ;
            endbtn.disabled = false;
            stopTimer = setInterval(function(){
            // span=''
            div0.innerHTML = getnum();
            div1.innerHTML = getnum();
            div2.innerHTML = getnum();
            div3.innerHTML = getnum();
            div4.innerHTML = getnum();
            div5.innerHTML = getnum();
            div6.innerHTML = bluegetnum();

            },100)
        };
        endbtn.onclick = function(){
            clearInterval(stopTimer);
            startbtn.disabled = false;
            endbtn.disabled = true;
        }
    
    </script>
</body>
</html>

 

posted on 2019-08-30 14:25  他们说我没幽默感  阅读(77)  评论(0)    收藏  举报

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