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若有你的名字，肯定能【随机】到你

2024-08-08 09:43:05   220人阅读

一个简单的喊名程序：着重用了Math.random ------》下次会改进更好

[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 {width: 306px;border: 1px solid blue;margin: 30px auto;}
        ul {width: 306px;height: 306px;}
        li {float: left;width: 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(){
                    varoDv = document.getElementById(‘wrap‘);
                    varoBtn = document.getElementById(‘btn‘);
                    varoSp = document.getElementById(‘sp‘);
                    varoUl = oDv.getElementsByTagName(‘ul‘)[0];
                    varaLiUl = oUl.getElementsByTagName(‘li‘);
                    vararrText=[‘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‘];
                    vartimer =null;
                    varonOff=true;
                    //alert(arrText.length)
                    for(vari=0;i<arrText.length;i++){
                         
                    }
                    oBtn.onclick=function(){
 
                        clearInterval(timer);
                    }
                    //alert(aLiUl.length)
                    functiongetRandomNumber(rmin,rmax){
                        varcha = rmax-rmin;
                        varrand = Math.random();
                        returnrmin+Math.round(cha*rand);
                    }
 
                    timer=setInterval(function(){
                        varareNumber=getRandomNumber(0,8);
                        //aLiUl[4].innerHTML=areNumber;
                        changeColorLi()
                        functionchangeColorLi(){
                        change=areNumber
 
                        for(vari=0;i<aLiUl.length;i++){
                            aLiUl[i].innerHTML=arrText[i];
                            for(varj=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]+"】"+‘工程师‘;
                            }elseif(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=http://www.mamicode.com/"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]


若有你的名字，肯定能【随机】到你


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