what working the local storage code example

Example 1: local storage

function setItem(name, value) {
  localStorage.setItem(name, value);
}
function getItem(name) {
  localStorage.getItem(name);
}
function deletItem(name) {
  localStorage.removeItem(name);
}
function clearStorage() {
  localStorage.clear();
}

Example 2: local storage ha

function set(){
    var sendJson = JSON.stringify(allPerfume);
    localStorage.setItem("allPerfume", sendJson);
}

function get() {
    var getJson = localStorage.getItem("allPerfume")
    if (getJson) {
        allPerfume = JSON.parse(getJson);
    }
}