This program for validation checking using JavaScript . Copy
and paste the program ,It will check whether the form is filled correctly or
not. Java script is client side scripting language and generally used for form
validation . By the time of form submission onsubmit event will occur and it
will check form object.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01
Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type"
content="text/html; charset=iso-8859-1">
<script language="javascript">
function abc()
{
var
name=document.getElementById("name").value;
var
age=document.getElementById("pass").value;
if(name=="" || age=="")
{
alert("Enter name and age");
}
}
</script>
</head>
<body>
<form name="myform" method="post"
onSubmit="abc()">
Enter name:-<input type="text"
id="name">
Password: <input
type="password" id="pass">
<input type="submit" value="Submit
me">
</form>
</body>
</html>
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