• 如果你的名字,当然【随机】给你


    一个简单的喊了程序的名字:重点是Math.random ------》下一次会更好地改善

    [1].[代码] [JavaScript]代码 跳至 [1] [2]

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    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Document</title>
        <style>
            body,ul{margin: 0;padding: 0;}
            #wrap { 306px;border: 1px solid blue;margin: 30px auto;}
            ul { 306px;height: 306px;}
            li {float: left; 100px;height: 100px;background: black;border: 1px solid green;list-style-type: none;text-align: center;line-height: 100px;color: #fff;}
        </style>
        <script>
                    window.onload=function(){
                        var oDv = document.getElementById('wrap');
                        var oBtn = document.getElementById('btn');
                        var oSp = document.getElementById('sp');
                        var oUl = oDv.getElementsByTagName('ul')[0];
                        var aLiUl = oUl.getElementsByTagName('li');
                        var arrText=['李文凯','李强强','张晓光','刘迎春','张笑雨','高洛峰','赵同正','漠南','良泉'];
                        var timer =null;
                        var onOff=true;
                        //alert(arrText.length)
                        for(var i=0;i<arrText.length;i++){
                             
                        }
                        oBtn.onclick=function(){
     
                            clearInterval(timer);
                        }
                        //alert(aLiUl.length)
                        function getRandomNumber(rmin,rmax){
                            var cha = rmax-rmin;
                            var rand = Math.random();
                            return rmin+Math.round(cha*rand);
                        }
     
                        timer=setInterval(function(){
                            var areNumber=getRandomNumber(0,8);
                            //aLiUl[4].innerHTML=areNumber;
                            changeColorLi()
                            function changeColorLi(){
                            change=areNumber
     
                            for(var i=0;i<aLiUl.length;i++){
                                aLiUl[i].innerHTML=arrText[i];
                                for(var j=0;j<aLiUl.length;j++){
                                    aLiUl[j].style.backgroundColor='black'
                                }
                                aLiUl[change].style.backgroundColor='red';
                                if(change==4){
                                    oSp.innerHTML='随机到了'+"【"+arrText[change]+"】"+'project师';
                                }else if(change==3){
                                    oSp.innerHTML='随机到了'+"【"+arrText[change]+"】"+'美女';
                                }else{
                                    oSp.innerHTML='随机到了'+"【"+arrText[change]+"】"+'屌丝';
                                }
                                 
                            }
                        }
                        },300)
                         
                         
                         
                    }
        </script>
    </head>
    <body>
        <input type="button" id="btn" value="选择谁?">
        <div id="wrap">
            <ul>
                <li>1</li>
                <li>2</li>
                <li>3</li>
                <li>4</li>
                <li>5</li>
                <li>6</li>
                <li>7</li>
                <li>8</li>
                <li>9</li>
            </ul>
        </div>
        <span id="sp">随机到了</span>
    </body>
    </html>

    [2].[图片] 捕获.PNG 跳至 [1] [2]


    版权声明:本文博客原创文章。博客,未经同意,不得转载。

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  • 原文地址:https://www.cnblogs.com/blfshiye/p/4723508.html
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