promise.js

   let ispsArr = mysql.IspWhitelist.findAll({
		where:{iso_code:'GB'},
		attributes: ['isp_name'],
	 }).then((isps) => {
		 let ispsArr=[];
			isps.forEach(function(isp) {
				ispsArr.push(isp.isp_name)
			})
			console.log(ispsArr) //Gives me the array
			return ispsArr;
	 });

    console.log(ispsArr) //?Promise {...