javascript 点名表

xiaoxiao2021-11-30 28

<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script type="text/javascript" src="/practice/home/js/jquery.js"></script> </head> <body> <center> <h1 style="font-size: 50px">1412phpA班点名表</h1> <div id="c_name" class="unsetSomething" style="border: dashed;background:grey; height: 300px;width: 300px; line-height: 300px;font-size: 66px;"></div> <input type="button" id="name" value="开始点名" οnclick="check_name()" style="width: 300px;height: 50px;"/> </center> </body> </html> <script> function check_class(){ var arr = Array('江', '冰','峰' ); var key=parseInt(Math.random()*arr.length); document.getElementById("c_name").innerHTML=arr[key]; } function check_name(){ var name=document.getElementById("name").value; if(name=='开始点名'){ document.getElementById("name").value="停止点名"; a=setInterval('check_class()',10); }else{ document.getElementById("name").value="开始点名"; clearInterval(a) } } </script>

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