i want call a function when click close browser … element of button close browser?

This is my javascript code …i want call a function when click close browser at window.close().But not working..You can help me.Thank so much.<3

<script>
            $(document).ready(function () {
                var typeChange = false;
                $(document).on("keyup", 'form input', function (e) {
                    typeChange = true;
                });
                $(document).on("change", 'form select', function (e) {
                    typeChange = true;
                });
                function changeURL() {
                    window.addEventListener("beforeunload", function (e) {
                        if (typeChange) {
                            e.preventDefault(); 
                            e.returnValue = "";  
                        }
                    }, {once : true});
                }
               
                $(document).on('click', '.sidebar-menu a', function() {
                    changeURL();
                });
                // window.addEventListener("close", function () {
                //     changeURL();
                // });

                // window.close() = function() {
                //     changeURL();
                // };

            });
        </script>