![E-mail Validation
<!DOCTYPE html>
<html>
<head>
<script>
function validateForm()
{
var x=document.forms["myForm"]["email"].value;
var atpos=x.indexOf("@");
var dotpos=x.lastIndexOf(".");
if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
{
alert("Not a valid e-mail address");
return false;
}
}
</script>
</head>
<body>
<form name="myForm" action="demo_form.asp" onsubmit="return validateForm();" method="post">
Email: <input type="text" name="email">
<input type="submit" value="Submit">](https://image.slidesharecdn.com/e-121105031411-phpapp02/85/e-by-karan-chanana-1-320.jpg)
Recomendados
Más contenido relacionado
La actualidad más candente
La actualidad más candente (17)
Destacado
Destacado (20)
Más de karanchanan
Más de karanchanan (10)
Último
Último (20)
E by karan chanana
- 1. E-mail Validation <!DOCTYPE html> <html> <head> <script> function validateForm() { var x=document.forms["myForm"]["email"].value; var atpos=x.indexOf("@"); var dotpos=x.lastIndexOf("."); if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length) { alert("Not a valid e-mail address"); return false; } } </script> </head> <body> <form name="myForm" action="demo_form.asp" onsubmit="return validateForm();" method="post"> Email: <input type="text" name="email"> <input type="submit" value="Submit">