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Verify if a checkbox is checked or not In order to check if a checkbox is checked or unchecked, we can used the isSelected() method over the checkbox element. The isSelected() method returns a boolean value of true if the checkbox is checked false otherwise.

Input Checkbox disabled Property Disable a checkbox: document.getElementById("myCheck").disabled = true; Find out if a checkbox is disabled or not: var x = document.getElementById("myCheck").disabled; The result of x will be: ... Disable and un-disable a checkbox: function disable() {

The Solution The is() method checks for a :checked CSS pseudo-class, which would be added to a checkbox if it's checked. It returns true if the checkbox is checked. The getElementById element selector is used to find an element by id . The boolean checked property exists on checkbox inputs.

Get All Checked Checkboxes Then we log the value property. We spread the checked NodeList into an array. Then we call map with a callback to return the value property of each checkbox that is checked. Therefore, the console log should log [“1”, “2”] .

Position your cursor where you want to place the checkbox in the document. Get back to the "Developer" tab and click on the "Check Box Content Control" button. You will see a checkbox appear wherever your cursor is placed. To mark a checkbox, click on it and add an "X".

$(selector). prop ("disabled", true | false); This function returns the Boolean value as if the parameter for this prop() function is specified as true then the selected element or checkbox object is disabled else if the parameter is set to false the checkbox object or any other selected element is not disabled.

To get the state of a checkbox, you follow these steps: 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.