Way of validating RadioBoxes with jQuery?

jQuery Web Development Front End Technology

Following is how you can validate RadioBoxes with jQuery −

Example

Following is the code −

<!DOCTYPE html>
<html lang="en">
<head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Document</title>
</head>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<body>
   <form>
      Gender:
      <label><input type="radio" name="gen" value="male" />Male</label>
      <label><input type="radio" name="gen" value="female" />Female</label>
      <br />
      isStudent:
      <label><input type="radio" name="student" value="yes" />yes<label>
      <label><input type="radio" name="student" value="no" />No</label>
      <br />
      <input type="submit" />
   </form>
</body>
<script>
   var nameValues = 'gen;student'.split(';');
   $(function () {
      $("form").on("submit", function (ev) {
         if (nameValues.filter(val => $(`input[name=${val}]:checked`).length === 0).length > 0) {
            console.log("Radio Button is not checked");
            ev.preventDefault();
         }
      })
   })
</script>
</html>

To run the above program, save the file name “anyName.html(index.html)”. Right click on the file and select the option “Open with Live Server” in VS Code editor.

This will produce the following output −