Answers for "delete session storage"

remove localstorage

localStorage.removeItem("key");

remove session storage

sessionStorage.removeItem('key');

javascript localStorage clear items

localStorage.clear();//this clears the localStorage completely

javascript sessionStorage

var setsession = window.sessionStorage.setItem("animals", "cat");
	var getsession = window.sessionStorage.getItem("animals");
	console.log(getsession);