Set a basic cookie with JS

set-cookie.js

if( $.cookie('address-check' ) !== '1') {
    // set cookie to only pop once
     $.cookie('address-check', 1);
  }

setCookie-noJquery.js

if (document.cookie.replace(/(?:(?:^|.*;\s*)modalAddressCheck\s*\=\s*([^;]*).*$)|^.*$/, "$1") !== "1") {
		document.cookie = "modalAddressCheck=1";
	}