📄 tryit.asp@filename=tryjs_formvalidate

📁 W3Schools tutorial..web designing

💻 ASP@FILENAME=TRYJS_FORMVALIDATE

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<html>
<head>
<title>Tryit Editor v1.4</title>
<link rel="stylesheet" type="text/css" href="../tryittheme.css" />
<script type="text/javascript">
function displayad()
{
document.getElementById("adframe").src="../tryitbanner.asp@secid=tryjs&rnd=" + Math.random()
}
</script>
</head>

<body>
<table cellpadding="0" cellspacing="0" width="100%" bgcolor="#808080">
<tr>
<td width="234" valign="top">
<a href="../default.htm"><img src="../images/w3default80.jpg" border="0" alt="W3Schools" /></a>
</td>
<th valign="middle" class="right" align="left">
<iframe id="adframe" style="background-color:#808080" height="90" width="728" marginwidth="0" marginheight="0" frameborder="0" scrolling="no" 
src="../tryitbanner.asp@secid=tryjs&rnd=3.480166E-02"></iframe>
</th>
</tr>
</table>

<table width="100%" border="0" cellpadding="5" cellspacing="0">
<form action="tryit_view.asp" method="post" target="view"><tr>
<td colspan="2">
<input name="submit" type="submit" value="Edit the text and click me" onclick="displayad()">
</td>
</tr>
<tr>
<td width="50%">
<textarea width="100%" height="400px" style="width:100%;height:400px" name="code" wrap="logical" rows="21" cols="42">
<html>
<head>
<script type="text/javascript">
function validate()
{
var at=document.getElementById("email").value.indexOf("@");
var age=document.getElementById("age").value;
var fname=document.getElementById("fname").value;
submitOK="true";

if (fname.length>10)
 {
 alert("The name must be less than 10 characters");
 submitOK="false";
 }
if (isNaN(age)||age<1||age>100)
 {
 alert("The age must be a number between 1 and 100");
 submitOK="false";
 }
if (at==-1) 
 {
 alert("Not a valid e-mail!");
 submitOK="false";
 }
if (submitOK=="false")
 {
 return false;
 }
}
</script>
</head>

<body>
<form action="tryjs_submitpage.htm" onsubmit="return validate()">
Name (max 10 chararcters): <input type="text" id="fname" size="20"><br />
Age (from 1 to 100): <input type="text" id="age" size="20"><br />
E-mail: <input type="text" id="email" size="20"><br />
<br />
<input type="submit" value="Submit"> 
</form>
</body>

</html>

</textarea>
</td>
<td>
<iframe width="100%" height="400px" style="width:100%;height:400px;background-color:ffffff" name="view" src="tryit_view.asp@filename=tryjs_formvalidate"></iframe>
</td>
</tr>
<tr>
<th colspan="2" class="right" align="left">
Edit the text above, and click on the button to see the result.
</th>
</tr>
</form></table>

</body>
</html>

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