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Display a message on console while focusing on input type in JavaScript?


For this, you can use the concept of focus(). Following is the code −

Example

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<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>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/fontawesome/
4.7.0/css/font-awesome.min.css">
</head>
<body>
<input id='txtInput' placeholder="Enter the value......."/>
<button id='submitBtn'>Submit</button>
<script>
   const submitButton = document.getElementById('submitBtn');
   submitButton.addEventListener('click', () => {
      console.log('Submitting information to the server.....');
   })
   const txtInput = document.getElementById('txtInput');
   txtInput.addEventListener('blur', () => {
      console.log('Enter the new value into the text box......');
      txtInput.focus();
   });
   txtInput.focus();
</script>
</body>
</html>

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

Output

This will produce the following output −

Display a message on console while focusing on input type in JavaScript?

After focusing at the input text box, you will get the following output.

Display a message on console while focusing on input type in JavaScript?