Full Stack Development Interview Questions | Day 5 | Bucketstudy | 2024
---------------------------------------------------------------------
Q. What is the purpose of the <form> element in HTML?
A. The <form> element is used to create an HTML form that allows users to input data.
Q. Explain the action attribute in the <form> tag?
A. The action attribute specifies the URL to which the form data should be submitted when the user submits the form.
Example: <form action="/submit-form.php" method="post">
Q. What does the method attribute in the <form> tag define?
A. The method attribute specifies how the form data should be sent to the server, either using HTTP POST or GET requests.
Example: <form action="/submit-form.php" method="post">
Q. How do you create text input fields in a form?
A. Text input fields are created using the <input> element with type="text".
Example: <input type="text" name="username" id="username">
Q. What is the purpose of the <label> element in HTML forms?
A. The <label> element is used to provide a label for form elements to improve accessibility and user experience.
Example: <label for="username">Username:</label>
<input type="text" name="username" id="username">
Q. Explain the <select> element in HTML forms?
A. The <select> element creates a dropdown list of options for users to choose from.
Example: <select name="country">
<option value="us">United States</option>
<option value="ca">Canada</option>
</select>
Q. How do you create radio buttons and checkboxes in HTML forms?
A. Radio buttons and checkboxes are created using the <input> element with type="radio" and type="checkbox" respectively.
Example: <input type="radio" name="gender" value="male">
Male
<input type="radio" name="gender" value="female">
Female
<input type="checkbox" name="subscribe" value="yes">
Subscribe to newsletter
Q. Explain the purpose of the <textarea> element in HTML forms?
A. <textarea> is used to create a multiline text input field, often for longer user inputs like comments or messages.
Example: <textarea name="comments" rows="4" cols="50"></textarea>
Q. What is the purpose of the <button> element in HTML forms?
A. The <button> element is used to create clickable buttons within a form, which can trigger form submission or custom JavaScript actions.
Example: <button type="submit">
Submit
</button>
Q. How can you group related form elements together?
A. You can group related form elements using the <fieldset> element and provide a legend with <legend> to describe the group.
Example: <fieldset>
<legend>Contact Information</legend>
<!-- Form elements go here -->
</fieldset>