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学前端开发:js 原生模仿微博发布

初学前端开发,需要掌握的基础项目案例:js 原生模仿微博发布

<!DOCTYPE html>

<html>

 

         <head>

                   <metacharset="UTF-8">

                   <title></title>

         </head>

         <styletype="text/css">

                   *{

                            margin:0;

                            padding:0;

                            list-style:none;

                            font-family:"微软雅黑";

                            outline:none;

                   }

                  

                   #box{

                            width:1000px;

                            height:650px;

                            border:4px solid #CCCCCC;

                            margin:0 auto;

                   }

                  

                   #p1{

                            font-size:24px;

                            margin-left:40px;

                            margin-top:30px;

                   }

                  

                   #a1{

                            width:500px;

                            height:50px;

                            margin-left:40px;

                            margin-top:30px;

                   }

                  

                   #fabu{

                            width:500px;

                            height:300px;

                            left:31%;

                            top:180px;

                            border:4px solid #CCCCCC;

                            position:fixed;

                            z-index:100;

                            opacity:1;

                            background:white;

                   }

                  

                   #wenben{

                            width:400px;

                            height:140px;

                            font-size:18px;

                            margin-left:50px;

                            margin-top:20px;

                            resize:none;

                   }

                  

                   #tijiao{

                            width:400px;

                            height:50px;

                            margin-left:50px;

                            font-size:26px;

                            background:orange;

                            border:1px solid orange;

                            border-radius:10px;

                            color:white;

                   }

                  

                   #xianshi{

                            width:920px;

                            height:400px;

                            margin:0 auto;

                            border:1px solid blue;

                            margin-top:20px;

                   }

         </style>

 

         <body>

                   <divid="box">

                            <pid="p1">来说说吧你想做什么</p>

                            <inputtype="button" id="a1" value="http://www.mamicode.com/我要写点什么"/>

 

                            <divid="xianshi">

 

                            </div>

                  </div>

                   <divid="ww" style="position: absolute;top: 0px; width: 100%;height:680px;background: #CCCCCC;opacity: 0.8;display: none;">

 

                            <divid="fabu">

                                     <spanid="guanbi" style="margin-left:480px;font-size:20px;">×</span>

                                     <pstyle="margin-left: 50px;">快把你遇到的趣事和大家分享下吧</p>

                                     <textareaid="wenben" rows="" cols=""></textarea>

                                     <pstyle="margin-left: 300px;"> 字数不得超过150字</p>

                                     <inputtype="button" id="tijiao" value="http://www.mamicode.com/发布"/>

                            </div>

                   </div>

                   <scripttype="text/javascript">

                            vara1 = document.getElementById("a1");

                            varfabu = document.getElementById("fabu");

                            varguanbi = document.getElementById("guanbi");

                            varbox = document.getElementById("box");

                            vartijiao = document.getElementById("tijiao");

                            varwenben = document.getElementsByTagName("textarea")[0]

                            varxianshi = document.getElementById("xianshi");

                            varww = document.getElementById("ww");

                            a1.onclick= function() {

                                     ww.style.display= "block";

                                     wenben.value=http://www.mamicode.com/""

                            }

                            guanbi.onclick= function() {

                                     ww.style.display= "none"

 

                            }

                            vararr = ["用户:lanttoy", "用户:阿迪斯", "用户:APPLE", "用户:王云", "用户:李征","用户:万宗昊","用户:榴莲","用户:梁冬妮","用户:李氏川","用户:赵淳","用户:彬彬","用户:二蛋","用户:淘气"]

                                     //         arr[Math.random()]

                            varrad;

                            tijiao.onclick= function() {

                                      rad = Math.round(Math.random() *arr.length-1);

                                     if(wenben.value.length > 150) {

                                               alert("请输入150字内")

                                               p.innerHTML= ""

 

                                     }

 

                                     ww.style.display= "none"

                                     varp = document.createElement("p");

                                     xianshi.appendChild(p)

                                     for(var i = 0; i < arr.length; i++) {

                                               p.innerHTML= arr[rad] + "&nbsp;" + "<br/>" + wenben.value;

 

                                     }

                                     wenben.value=http://www.mamicode.com/""

 

                            }

                   </script>

         </body>

 

</html>

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学前端开发:js 原生模仿微博发布