SOURCE

console 命令行工具 X clear

                    
>
console
var n=0;
        function showDiv()
        {
          n++;
          if (n<=100) //if you have 100 div's
          {
              document.all("dv"+n).style.visibility="visible";
              setTimeout("showDiv()",800);//每隔一秒
          }
        }
        window.onload = showDiv;
<div id="main">欢迎进入我的网站</div>
    <div>
    <nav>
        <ul class="ul1">
            <li><a href="">首页</a>
            <li><a href="">关于我</a>
                <ul class="ul2">
                    <li><a href="">爱好</a></li>
                    <li><a href=""></a></li>
                    <li><a href="">电影</a></li>
                    <li><a href="">娱乐</a></li>
                </ul>
            </li>
            <li><a href="">课程</a>
                <ul class="ul2">
                    <li><a href="">移动网站建设</a></li>
                    <li><a href="">photoshop</a></li>
                    <li><a href="">JSP</a></li>
                    <li><a href="">jQuery</a></li>
                </ul>
            </li>
            <li><a href="我的作品">我的作品</a>
                <ul class="ul2">
                    <li><a href="">简单的QQ农场</a></li>
                    <li><a href="">设计的作品</a></li>
                </ul>
            </li>
           
    </nav>
    </div>  
    <div class="note">
        <h1>我的爱好</h1>
        <div id="dv1" style="visibility:hidden">
            <span>打羽毛球</span>
            <span>去旅游</span>
        </div>
        <h1>喜欢的歌</h1>
        <div id="dv2" style="visibility:hidden">
            <span>泡沫</span>
            <span>你还让我怎样</span>
        </div>
        <h1>喜欢的电影</h1>
        <div id="dv3" style="visibility:hidden">
            <span>唐人街</span>
            <span>银河补习班</span>
        </div>
        <h1>娱乐</h1>
        <div id="dv4" style="visibility:hidden">
            <span>和朋友一起去逛街</span>
            <span>偶尔会打游戏</span>
        </div>
    </div>
    <div class="course">
        <h1>所学的课程</h1>
        <div id="dv5" style="visibility:hidden">jsp</div>
        <div id="dv6" style="visibility:hidden">jQuery</div>
        <div id="dv7" style="visibility:hidden">人工智能</div>
        <div id="dv8" style="visibility:hidden">python</div>
        <div id="dv9" style="visibility:hidden">机器人入门</div>
        <div id="dv10" style="visibility:hidden">移动前端开发</div>
        <div id="dv11" style="visibility:hidden">photoshop</div>
        <div id="dv12" style="visibility:hidden">java</div>
    </div>
    <h2>我的作品</h2>
    <div class="wrap">
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="box">
        <div class="text">
            <h1>有需要的可联系我</h1>
            <p>动动手指,让键盘飞起来</p>
        </div>
        <span >
            <input type="text" placeholder="请输入姓名" /><br />    
            <input type="password" placeholder="请输入手机号码" /> <br />
            <input type="text" placeholder="具体合作内容"  style="height: 70px;"> <br />
            <span style="width: 10px; height: 10px; text-align: center;">
            <input type="submit" style="width: 20%; height: 25px; "> 
            <input type="reset" style="width: 20%; height: 25px;">
            </span>
        </span>
    </div>
    
    <div class="keybord">
        <div  class="key">~</div>
        <div class="key">1</div>
        <div class="key">2</div>
        <div class="key">3</div>
        <div class="key">4</div>
        <div class="key">5</div>
        <div class="key">6</div>
        <div class="key">7</div>
        <div class="key">8</div>
        <div class="key">9</div>
        <div class="key">0</div> 
        <div class="key">=</div>
        <div class="key">+</div>
        <div class="key delete">Delete</div>
        <div class="key tab">Tab</div>
        <div class="key">q</div>
        <div class="key">w</div>
        <div class="key">e</div>
        <div class="key">r</div>
        <div class="key">t</div>
        <div class="key">y</div>
        <div class="key">y</div>
        <div class="key">u</div> 
        <div class="key">i</div>
        <div class="key">o</div>
        <div class="key">p</div>
        <div class="key">[</div>
        <div class="key">]</div>
        <div class="key backslash">\</div>
        <div class="key capslk">CapsLK</div>
        <div class="key">a</div>
        <div class="key">s</div>
        <div class="key">d</div> 
        <div class="key">f</div>
        <div class="key">g</div>
        <div class="key">h</div>
        <div class="key">j</div>
        <div class="key">k</div>
        <div class="key">l</div>
        <div class="key">:</div>
        <div class="key">'</div>
        <div class="key enter">Enter</div>
        <div class="key shift">Shift</div>
        <div class="key">z</div>
        <div class="key">x</div>
        <div class="key">c</div>
        <div class="key">v</div>
        <div class="key">b</div>
        <div class="key">n</div>
        <div class="key">m</div>
        <div class="key">,</div>
        <div class="key">.</div>
        <div class="key">/</div>
        <div class="key shift">Shift</div>
        <div class="key ctrl">Ctrl</div>
        <div class="key win">Win</div>
        <div class="key">Alt</div>
        <div class="key space">Space</div>
        <div class="key">Alt</div>
       <div class="key">Fn</div>
       <div class="key command">Command</div>
       <div class="key ctrl">Ctrl</div>
     
    </div>
 #main {
        background-image: url("https://i.loli.net/2020/06/18/Nq5VnLtcmiWM4rJ.jpg" );
        height: 300px;
        text-align: center;
        font-size: 40px;
        font-weight: bolder;
        text-shadow: 15px 5px 15px;
        animation: change 3s linear 0s infinite;

        }

        @keyframes change {

        0% {color: rgb(248, 59, 68);}

        50% {color: rgb(90, 154, 226);}

        100% {color: rgb(76, 19, 233);}

        }
        li{
            list-style-type: none;
            }
        a{
            text-decoration: none;
        }
        .ul1{
            margin: -50px 0px 10px 200px;
        }

        .ul1>li{
            width: 150px;
            height: 2em;
            border-radius: 0.5em 0.5em 0 0;
            background: rgba(30,80,200,0.8);
            font-size: 20px;
            line-height: 2em;
            text-align: center;
            float: left;
            margin-left: 50px;
        }
        .ul2{
            background: rgba(80,80,160,0.6);
            border-radius: 0 0 0.5em 0.5em;
            display: none;
        }

        .ul2>li>a:hover{
            background: rgba(37, 41, 36, 0.8);
            width: 85%;
            height: 1.5em;
            line-height: 1.5em;
            display:inline-block;
            border-radius: 0.5em;
            font-weight: bold;
            padding: 3px 3px;

        }

        .ul1>li:hover>ul{
            display: block;    
        }

        .ul1>li:hover{
            background: rgba(30,80,250,0.8);    
        }
        .note{
            text-align: center;
            color: darkorange;
            font-size: 20px;
            font-weight: bold;
            display:block; 
           margin-top: 100px;
            width:400px;
            height:400px;
            background:#ff0;
            border-width:30px 30px 30px 30px;
            border-color:rgb(98, 189, 121) #f0f #512 #a21;
            border-style:solid;
        }
    h1{
        color: black;
        text-align: center;
        font-size: 30px;
    }
    h2{
        color: rgb(188, 235, 79);
        text-align: center;
        font-size:50px;
        text-shadow: 15px 5px 15px;
        
    }
    .wrap{
            width: 1013px;
            height: 305px;
            background: rgb(223, 138, 208);
            margin: 0 auto;
        }
        .item{
            float: left;
            width: 168.8px;
            height: 305px;
            background: green;
            transition: 0.5s;
        }
        .item:nth-child(1){
            background-image: url("https://i.loli.net/2020/06/20/wbRYcHrGvKi94kf.jpg");
           
           
        }
        .item:nth-child(2){
            background-image: url("https://i.loli.net/2020/06/20/8gt6zpoTUrAqOnH.jpg");
        }
        .item:nth-child(3){
            background-image: url("https://i.loli.net/2020/06/20/ZQdBclL6IvDW9Vm.jpg");
        }
        .item:nth-child(4){
            background-image: url("https://i.loli.net/2020/06/20/AtGFwomY4JjWhNd.png" );
        }
        .item:nth-child(5){
            background-image: url("https://i.loli.net/2020/06/20/K92qmdDVbZQBphg.png" );
        }
        .item:nth-child(6){
            background-image: url("https://i.loli.net/2020/06/20/w4hymILfuqJNO9B.png");
        }
        .item:hover{
            width: 507px !important;
        }
        .wrap:hover .item{
            width: 101.2px;
        }
        .box{
            background-color: rgb(157, 158, 161);
            width: 400px;
            height: 400px;
           margin: 0 auto;
           margin-top: 50px;
        }
        .keybord{
            position: absolute;
            left: 50%;
            display: grid;
            grid-template-columns: repeat(30,30px);
            grid-template-rows: repeat(5,60px);
            gap: 5px;
            margin-top: 10px;
            margin: 50 auto;
            padding: 20px;
            background-image: url("https://i.loli.net/2020/06/23/Eaq3xiTOwNARJXM.jpg");
            border-radius: 20px;
            transform: translateX(-50%);

        }
        .key{
            grid-column: span 2;
            background-color: #F3F3F3;
            border: 2px solid rgb(26, 25, 25);
            text-align: center;
            line-height: 60px;
            border-radius: 5px;
            cursor: pointer;
        }
        .key:hover{
            
            border-color: #fff;
        }
        .delete.capslk,.enter,.ctrl,
         .backslash,.tab,.command{
            grid-column: span 3;
        }
        .shift{
            grid-column: span 5;       
         }
         .space{
             grid-column: span 13;
         }
         input{
             font-size: 15px;
             width: 60%;
             height: 25px;
         }
         .text{
             margin-right: 50px;
         }
         .course{
             color: rgb(224, 151, 151);
             background-color: chartreuse;
             width: 450px;
             height: 450px;
             float: right;
            margin-top: -450px;
            font-size: 30px;
            text-align: center;
         }