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

JavascriptWeb DevelopmentObject Oriented Programming

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

Example

 Live Demo

<!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 −

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

raja
Published on 11-Sep-2020 08:24:45
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