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// form.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Simple HTML Form</title>
<link rel="stylesheet" href="style.css">
<script src="validator.js"></script>
</head>
<body>
<form name="contactForm" onsubmit="return validateForm()" action="confirmation.php" method="post">
<h2>Application Form</h2>
<div class="row">
<label>Full Name</label>
<input type="text" name="name">
<div class="error" id="nameErr"></div>
</div>
<div class="row">
<label>Email Address</label>
<input type="text" name="email">
<div class="error" id="emailErr"></div>
</div>
<div class="row">
<label>Mobile Number</label>
<input type="text" name="mobile" maxlength="10">
<div class="error" id="mobileErr"></div>
</div>
<div class="row">
<label>Country</label>
<select name="country">
<option>Select</option>
<option>Australia</option>
<option>India</option>
<option>United States</option>
<option>United Kingdom</option>
</select>
<div class="error" id="countryErr"></div>
</div>
<div class="row">
<label>Gender</label>
<div class="form-inline">
<label><input type="radio" name="gender" value="male"> Male</label>
<label><input type="radio" name="gender" value="female"> Female</label>
</div>
<div class="error" id="genderErr"></div>
</div>
<div class="row">
<label>Hobbies <i>(Optional)</i></label>
<div class="form-inline">
<label><input type="checkbox" name="hobbies[]" value="sports"> Sports</label>
<label><input type="checkbox" name="hobbies[]" value="movies"> Movies</label>
<label><input type="checkbox" name="hobbies[]" value="music"> Music</label>
</div>
</div>
<div class="row">
<input type="submit" value="Submit">
</div>
</form>
</body>
</html>
//style.css
body {
font-size: 16px;
background: #f9f9f9;
font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
h2 {
text-align: center;
text-decoration: underline;
}
form {
width: 300px;
background: #fff;
padding: 15px 40px 40px;
border: 1px solid #ccc;
margin: 50px auto 0;
border-radius: 5px;
}
label {
display: block;
margin-bottom: 5px
}
label i {
color: #999;
font-size: 80%;
}
input, select {
border: 1px solid #ccc;
padding: 10px;
display: block;
width: 100%;
box-sizing: border-box;
border-radius: 2px;
}
.row {
padding-bottom: 10px;
}
.form-inline {
border: 1px solid #ccc;
padding: 8px 10px 4px;
border-radius: 2px;
}
.form-inline label, .form-inline input {
display: inline-block;
width: auto;
padding-right: 15px;
}
.error {
color: red;
font-size: 90%;
}
input[type="submit"] {
font-size: 110%;
font-weight: 100;
background: #006dcc;
border-color: #016BC1;
box-shadow: 0 3px 0 #0165b6;
color: #fff;
margin-top: 10px;
cursor: pointer;
}
input[type="submit"]:hover {
background: #0165b6;
}
//validator.js
// Defining a function to display error message
function printError(elemId, hintMsg) {
document.getElementById(elemId).innerHTML = hintMsg;
}
// Defining a function to validate form
function validateForm() {
// Retrieving the values of form elements
var name = document.contactForm.name.value;
var email = document.contactForm.email.value;
var mobile = document.contactForm.mobile.value;
var country = document.contactForm.country.value;
var gender = document.contactForm.gender.value;
var hobbies = [];
var checkboxes = document.getElementsByName("hobbies[]");
for(var i=0; i < checkboxes.length; i++) {
if(checkboxes[i].checked) {
// Populate hobbies array with selected values
hobbies.push(checkboxes[i].value);
}
}
// Defining error variables with a default value
var nameErr = emailErr = mobileErr = countryErr = genderErr = true;
// Validate name
if(name == "") {
printError("nameErr", "Please enter your name");
} else {
var regex = /^[a-zA-Z\s]+$/;
if(regex.test(name) === false) {
printError("nameErr", "Please enter a valid name");
} else {
printError("nameErr", "");
nameErr = false;
}
}
// Validate email address
if(email == "") {
printError("emailErr", "Please enter your email address");
}
else {
//Regular expression for basic email validation
var regex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
if(regex.test(email) === false) {
printError("emailErr", "Please enter a valid email address");
} else{
printError("emailErr", "");
emailErr = false;
}
}
// Validate mobile number
if(mobile == "") {
printError("mobileErr", "Please enter your mobile number");
} else {
var regex = /^[1-9]\d{9}$/;
if(regex.test(mobile) === false) {
printError("mobileErr", "Please enter a valid 10 digit mobile number");
} else{
printError("mobileErr", "");
mobileErr = false;
}
}
// Validate country
if(country == "Select") {
printError("countryErr", "Please select your country");
} else {
printError("countryErr", "");
countryErr = false;
}
// Validate gender
if(gender == "") {
printError("genderErr", "Please select your gender");
} else {
printError("genderErr", "");
genderErr = false;
}
// Prevent the form from being submitted if there are any errors
if((nameErr || emailErr || mobileErr || countryErr || genderErr) == true) {
return false;
} else {
// Creating a string from input data for preview
var dataPreview = "You've entered the following details: \n" +
"Full Name: " + name + "\n" +
"Email Address: " + email + "\n" +
"Mobile Number: " + mobile + "\n" +
"Country: " + country + "\n" +
"Gender: " + gender + "\n";
if(hobbies.length) {
dataPreview += "Hobbies: " + hobbies.join(", ");
}
// Display input data in a dialog box before submitting the form
alert(dataPreview);
}
};Editor is loading...