Index Checkbox Permit For Free

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.

The validation of the checkbox in javascript can be done using the checked property of the checkbox element. This property returns true when the checkbox is selected. The addEventListener() method can be used to apply the change event to the checkbox to validate whenever the user interacts with the checkbox.

Get checkbox value in jQuery In jQuery, the . val() method proves valuable for retrieving the value attribute of a selected input checkbox. This technique allows you to effortlessly access the specified checkbox's value attribute and utilize it in your scripting endeavors.

Different JavaScript codes to get marked checkboxes value <script> document.getElementById('btn').onclick = function() { var markedCheckbox = document.getElementsByName('pl'); for (var checkbox of markedCheckbox) { if (checkbox.checked) document.body.append(checkbox.value + ' '); } }

You need to use . index(element) to find elements index in the list. If no argument is passed to the . index() method, the return value is an integer indicating the position of the first element within the jQuery object relative to its sibling elements.

In the above code, Create the function checkClickFunc() which is to be executed upon clicking the checkbox. Using the ?getElementById()? method, retrieve the checkbox by its id, ?agree?. Check the checkbox's status by using the ?checked? attribute. If it's ?true?, show an alert message ?Checkbox is clicked?.

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.