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What CSS does: Invalid selectors

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Release： 2023-09-06 12:29:06
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What CSS does: Invalid selectors

Use the CSS :invalid selector to style all elements with invalid values. You can try running the following code to achieve this: invalid selector

Example

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         input:invalid {
            background: red;
         }
      </style>
   </head>
   <body>
      <h2>Heading</h2>
         <input type = "email" value = "InvalidEmail">
         <p>The style (red color background) appears if you type an irrelevant/ invalid email address.</p>
   </body>
</html>
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