how to check first checkbox if any other else is checked, uncheck first checkbox if all other is unchecked
<div class="container"> <!-- <h2> check first checkbox </h2> --> <form> <label class="checkbox-inline"> <input type="checkbox" value="1" name="state">State </label> <label class="checkbox-inline"> <input type="checkbox" value="2" name="district">District </label> <label class="checkbox-inline"> <input type="checkbox" value="3" name="Police_station">Police Station </label> </form> </div> <script> $('[type="checkbox"]:gt(0)').on('click', () => $('[type="checkbox"]:eq(0)').prop('checked', $('[type="checkbox"]:gt(0)').is(':checked'))); </script> //or <script> var $firstCb = $("input:checkbox...