Languages
[Edit]
EN

JavaScript - onchange event for input checkbox element example

4 points
Created by:
maryam
1031

In this article, we want to show different ways to handle change event for input checkbox element using JavaScript.

1. onchange attribute example

// ONLINE-RUNNER:browser;

<!doctype html>
<html>
<body>
  <label>
  	<input type="checkbox" onchange="onChange(this)" /> Agreement
  </label>
  <script>

    function onChange(element) {
    	console.log('Agreement changed to ' + element.checked);
    }

  </script>
</body>
</html>

2. onchange property example

// ONLINE-RUNNER:browser;

<!doctype html>
<html>
<body>
  <label>
  	<input id="agreement" type="checkbox" /> Agreement
  </label>
  <script>

    var agreement = document.querySelector('#agreement');

    agreement.onchange = function(element) {
    	console.log('Agreement changed to ' + agreement.checked);
    };

  </script>
</body>
</html>

3. addEventListener method example

// ONLINE-RUNNER:browser;

<!doctype html>
<html>
<body>
  <label>
  	<input id="agreement" type="checkbox" /> Agreement
  </label>
  <script>

    var agreement = document.querySelector('#agreement');

    agreement.addEventListener('change', function(element) {
    	console.log('Agreement changed to ' + agreement.checked);
    });

  </script>
</body>
</html>
Donate to Dirask
Our content is created by volunteers - like Wikipedia. If you think, the things we do are good, donate us. Thanks!
Join to our subscribers to be up to date with content, news and offers.

JavaScript - events

Native Advertising
🚀
Get your tech brand or product in front of software developers.
For more information Contact us
Dirask - we help you to
solve coding problems.
Ask question.

❤️💻 🙂

Join