<html>
<body>
<script src="validation.js"></script>
<center><br><br><br><br>
<form action="registration.java" onsubmit="return validateEmail()">
Name: <input type="text" name="name"><br><br>
Email: <input type ="text" name="email"><br><br>
<input type ="submit" value="submit" >
</form>
</center>
</body>
</html>
====================
function validate()
{ alert("inside 1");
var result = true;
var i = document.getElementsByTagName("input");
if(i[0].value.length==0)
result = false;
return (result);
}
function validateEmail()
{
var result = true;
var e = document.getElementsByName("email")[0].value; // [0] means first email (if there are multiple emails)
//alert(e);
var atindex = e.indexOf('@');
//alert(atindex);
var dotindex = e.lastIndexOf('.');
//alert(dotindex);
if(atindex<1 || dotindex >= e.length-2 || dotindex - atindex <3)
result = false;
return (result);
}
<body>
<script src="validation.js"></script>
<center><br><br><br><br>
<form action="registration.java" onsubmit="return validateEmail()">
Name: <input type="text" name="name"><br><br>
Email: <input type ="text" name="email"><br><br>
<input type ="submit" value="submit" >
</form>
</center>
</body>
</html>
====================
function validate()
{ alert("inside 1");
var result = true;
var i = document.getElementsByTagName("input");
if(i[0].value.length==0)
result = false;
return (result);
}
function validateEmail()
{
var result = true;
var e = document.getElementsByName("email")[0].value; // [0] means first email (if there are multiple emails)
//alert(e);
var atindex = e.indexOf('@');
//alert(atindex);
var dotindex = e.lastIndexOf('.');
//alert(dotindex);
if(atindex<1 || dotindex >= e.length-2 || dotindex - atindex <3)
result = false;
return (result);
}
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