Form validation and layout organization
When developing a form design using W3.CSS web development scripts, a web developer not only needs to develop a clear, structured, and responsive form layout. They also need to ensure that web users insert the exact, proper, and correct data and information into the existing form. This task helps W3.CSS web developers manage, style, and control their existing forms, and indicates the multiple steps involved in integrating existing form element component validation and form layout organization. In this post, we’ll explore both concepts in form design development and detail how to apply these form features and functions in an effective order using W3.CSS scripts.
Basic Form Layout Organization Methods in W3.CSS.
W3.CSS manages a properly organized web layout for created form elements, allowing internet users to enter data and information into existing forms easily and without any issues or confusion. The Forms in W3.CSS web development script provides a grid system that helps web developers organize or arrange form field component elements in a responsive web layout.
Example of a two-column organized form layout in W3.CSS.
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>Let’s Explore Responsive Form Layout Attributes in W3.CSS </title>
<link rel=”stylesheet” href=”https://www.w3schools.com/w3css/4/w3.css”>
</head>
<body>
<div class=”w3-container w3-margin-top”>
<form action=”/submit_form”>
<div class=”w3-row-padding w3-margin-bottom”>
<!– Here we create first form column for name and email address –>
<div class=”w3-half”>
<label for=”name”> Name:</label>
<input class=”w3-input w3-border w3-round” type=”text” id=”name” placeholder=”Enter name” required>
<label for=”contact”>Contact:</label>
<input class=”w3-input w3-border w3-round” type=”text” id=”contact” placeholder=”Enter contact” required>
<label for=”email”>Email:</label>
<input class=”w3-input w3-border w3-round” type=”email” id=”email” placeholder=”Enter email” required>
</div><br>
<div class=”w3-halfr”>
<label for=”country”>Country:</label>
<p>
<input class=”w3-check” type=”checkbox” name=”country” value=”india”>
<label>India</label>
</p>
<p>
<input class=”w3-check” type=”checkbox” name=”country” value=”Usa”>
<label>Usa</label>
</p>
<p>
<input class=”w3-check” type=”checkbox” name=”country” value=”china”>
<label>China</label>
</p><br>
<div class=”w3-half”>
<label for=”country”>Gender:</label>
<p>
<input class=”w3-radio” type=”radio” name=”gender” value=”male”>
<label>Male</label>
</p>
<p>
<input class=”w3-radio” type=”radio” name=”gender” value=”female”>
<label>Female</label>
</p><br>
</div>
<!– Here we create second column for description and Checkbox element –>
<div class=”w3-half”>
<label for=”description”>Description:</label>
<textarea class=”w3-input w3-border w3-round” id=”description” rows=”7″ placeholder=”Enter description here” required></textarea>
<label for=”membership”>Membership:</label>
<input class=”w3-check” type=”checkbox” id=”membership” name=”membership” value=”yes”>
<label for=”membership”>Do you want, membership</label>
</div>
</div>
<!– here we create submit form data button –>
<button class=”w3-button w3-indigo w3-margin-top” type=”submit”>Submit</button> <button class=”w3-button w3-blue w3-margin-top” type=”reset”>Reset</button>
</form>
</div>
</body>
</html>
Explanation of a two-column organized form layout in W3.CSS.
- w3-row-padding – In this example, this class creates a responsive grid layout with padding between the form columns.
- w3-half – This class displays the form by dividing it into two equal columns for the form input fields.
- w3-margin-bottom – This class adds space between form rows.
- required – This form attribute marks the input fields as required.
W3.CSS Form Validation Concepts Using HTML5 Attributes.
W3.CSS can manage built-in form validation by using important form attributes like HTML5, required, pattern, min, max, type, and email in a W3.CSS-created form element. These form attributes are used to validate user input data information on the client-side web browser before submitting the form data information to a webpage.
Example of a form with HTML5 validation in W3.CSS.
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>Let’s Explore Form Validation Attributes in W3.CSS </title>
<link rel=”stylesheet” href=”https://www.w3schools.com/w3css/4/w3.css”>
</head>
<body>
<div class=”w3-container w3-margin-top”>
<form action=”/submit_form” method=”POST” onsubmit=”return validateForm()”>
<div class=”w3-row-padding w3-margin-bottom”>
<div class=”w3-half”>
<label for=”name”>Employee Name:</label>
<input class=”w3-input w3-border w3-round” type=”text” id=”name” placeholder=”Enter name” required>
<label for=”contact”>Employee Contact:</label>
<input class=”w3-input w3-border w3-round” type=”text” id=”contact” placeholder=”Enter contact” required>
<label for=”email”>Email:</label>
<input class=”w3-input w3-border w3-round” type=”email” id=”email” placeholder=”Enter email” required>
</div>
<div class=”w3-half”>
<label for=”description”>Description:</label>
<textarea class=”w3-input w3-border w3-round” id=”description” rows=”7″ placeholder=”Enter description here” required></textarea>
<label for=”membership”>Membership:</label>
<input class=”w3-check” type=”checkbox” id=”membership” name=”membership” value=”yes”>
<label for=”membership”>Do you want, membership</label>
</div>
</div>
<!– here we create submit and reset form data button –>
<button class=”w3-button w3-lime w3-margin-top” type=”submit”>Submit</button> <button class=”w3-button w3-teal w3-margin-top” type=”reset”>Reset</button>
</form>
</div>
<script>
function validateForm() {
const name = document.getElementById(‘name’).value;
const contact = document.getElementById(‘contact’).value;
const email = document.getElementById(’email’).value
const message = document.getElementById(‘membership’).value;
if (!name || !contact || !email || !membership) {
alert(“All form fields are essential”);
return false;
}
return true;
}
</script>
</body>
</html>
Explanation of a form with HTML5 validation in W3.CSS.
- required – This form attribute ensures that all input fields must be filled in before submitting the form data information to the current webpage.
- type=”email” – This form attribute ensures that the text inserted in the form, email, address, etc., must be formatted correctly in the proper order syntax.
- onsubmit=”return validateForm()” – This JavaScript function in W3.CSS forms validates form data elements when the submit button is clicked. If any fields in the current form are empty, it stops the form from being submitted to the dedicated server location, and displays an alert when the form submission is served.
