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HTML5: How to specify that the user is required to select a value before submitting the form?

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Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>How to specify that the user is required to select a value before submitting the form</title>
</head>
<body>
<form method="post" 
action="https://www.w3resource.com/html-css-
exercise/basic/solution/select-
required-answer-demo.php">
<select name="animals" required>
<option value="">None</option>
<option value="lion">Lion</option>
<option value="tiger">Tiger</option>
<option 
value="elephant">Elephant</option>
</select>  
<input type="submit">
</form>
</body>
</html>

Live Demo:

See the Pen select-required-answer by w3resource (@w3resource) on CodePen.


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HTML-CSS: Tips of the Day

HTML span align center not working?

<span align="center" style="border:1px solid red;">
    This is some text in a div element!
</span> 

However, the align attribute is deprecated. You should use the CSS text-align property on the container.

<div style="text-align: center;">
    <span style="border:1px solid red;">
        This is some text in a div element!
    </span>
</div> 

Ref: https://bit.ly/3RZXhp2