<!DOCTYPE html>
<html>
<head>
<script>
function validate() {
var name = document.getElementById("txtName").value;
var email = document.getElementById("txtEmail").value;
var mobile = document.getElementById("txtMobile").value;
if (name == "") {
alert("Please enter your name.");
return;
}
if (email == "") {
alert("Please enter your email.");
return;
}
if (!email.includes("@")) {
alert("Invalid Email Address.");
return;
}
if (mobile.length != 10) {
alert("Mobile number must be 10 digits.");
return;
}
alert("Form Submitted Successfully!");
}
</script>
</head>
<body>
<h2>Student Registration</h2>
Name:
<input type="text" id="txtName"><br><br>
Email:
<input type="text" id="txtEmail"><br><br>
Mobile:
<input type="text" id="txtMobile"><br><br>
<button onclick="validate()">Submit</button>
</body>
</html>
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