Analyze Checkbox Log For Free

You can also use the below code to get all checked checkboxes values. <script> document.getElementById('btn').onclick = function() { var markedCheckbox = document.querySelectorAll('input[type="checkbox"]:checked'); for (var checkbox of markedCheckbox) { document.body.append(checkbox.value + ' '); } } </script>

In JavaScript, we can access the checkbox element using id, class, or tag name and apply '. checked' to the element, which returns either true or false based on the checkbox is checked.

You can also use the below code to get all checked checkboxes values. <script> document.getElementById('btn').onclick = function() { var markedCheckbox = document.querySelectorAll('input[type="checkbox"]:checked'); for (var checkbox of markedCheckbox) { document.body.append(checkbox.value + ' '); } } </script>

Checking if a checkbox is checked First, select the checkbox using a DOM method such as getElementById() or querySelector() . Then, access the checked property of the checkbox element. If its checked property is true , then the checkbox is checked; otherwise, it is not.

To get the checkbox value in JavaScript, you can use the ?document. querySelectorAll()? method to select the specified checkboxes or the ?document. getElementById? method to get the ?id? against each of the selected checkboxes and display its corresponding value.

Create a boolean state variable to store the value of the checkbox. Set an onChange event listener on the input checkbox. In the listener, use the event object's target. checked property to check if the checkbox is checked.

Clicking on the checkbox or the label text will now toggle the checkbox state, and the text will change from red to green. Basically, when the checkbox is happy, the label is happy. The HTML for this example is the same as above. For more examples like this check out our new article Styling a Yes/No Checklist with CSS.

In JavaScript, we can access the checkbox element using id, class, or tag name and apply '. checked' to the element, which returns either true or false based on the checkbox is checked.