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The <input type="checkbox"> defines a checkbox. The checkbox is shown as a square box that is ticked (checked) when activated. Checkboxes are used to let a user select one or more options of a limited number of choices. Tip: Always add the <label> tag for best accessibility practices!

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.

Two tags are used to create a checkbox: An <input> with type="checkbox" A <label> tag which will contain the text associated with the checkbox we want.

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 + ' '); } }

That can be achieved in 2 different ways: By asserting the presence of the checked attribute. You can use the Element Contains Attribute assertion type from the Add Assertion action: ... By using JavaScript. A different approach is to use an Execute JavaScript step.

How to use the JavaScript function in the check box? Use the onchange event. The onchange event attribute allows us to invoke a function whenever the user checks and unchecks the checkbox. ... Use the onclick event. ... Use the addEventListner method.

The HTML <checkbox> tag is used to define the square boxes. It is a form element which allows users to select one or more options from the given options. It is created by the type attribute of the <input> element as shown in the following syntax: <input type="checkbox" name="field name" value="Initial value">