2014年3月17日 星期一
lab13
<html>  <head>  </head>  <body id="body">   <form action="javascript:void(0);" id="exampleForm">    <input id="examplePass" type="text" />    <input type="submit" />   </form> <script>   document.getElementById("exampleForm").onsubmit = function(){ var passwordRegex =/^((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))*$/; if(!passwordRegex.test(document.getElementById("examplePass").value)){ console.log("Regex didn't match"); var notify = document.getElementById("notify"); if(notify === null){ notify = document.createElement("p"); notify.textContent = "請輸入正確的網址"; notify.id ="notify"; var body =document.getElementById("exampleForm"); body.appendChild(notify);     }    }   };  </script>       
訂閱:
張貼留言 (Atom)
 
沒有留言:
張貼留言