Showing posts with label validation example on javascript. Show all posts
Showing posts with label validation example on javascript. Show all posts
JavaScript: Validation on Email address
Example:
<html>
<head>
<title>Validation on email Address</title>
<script language="javascript">
function check()
{
var email=document.f1.email.value;
if(f1.email.value=="")
alert("Please enter Email address");
else
if(email.indexOf("@")==-1)
alert("Missing '@' in Email address");
else
if(email.indexOf(".")==-1)
alert("Missing '.' in Email address");}
</script>
</head>
<body>
<form name="f1">
Enter Email Address: <input type="text" name="email">
<input type="button" value="Submit" name="b1" onclick="check()">
</form>
</body>
</html>
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