How to remove and hide button

frappe.ui.form.on("doctype_name", {
refresh: function(frm) {
            $('.row.form-section.form-dashboard.visible-section').hide();
            $( ":button.btn.btn-default.btn-xs:contains(Accounting Ledger)" ).hide();
            $( ":button.btn.btn-default.btn-xs:contains(Accounts Receivable)" ).hide();
            $("ul.dropdown-menu li:contains('Links')").remove();
            $("ul.dropdown-menu li:contains('Customize')").remove();
            $("ul.dropdown-menu li:contains('Print')").remove();
    }
});