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The LocalStorage and SessionStorage classes are iterable: you can go through all key/value pairs contained using a for...of loop. Each entry is an array with two elements (i.e. the key and the value):

import {Component, OnInit} from "@angular/core";
import {LocalStorage} from "@cedx/ngx-webstorage";

    selector: "my-component",
    templateUrl: "./my-component.html"
export class MyComponent implements OnInit {
    constructor(private _storage: LocalStorage) {}

    ngOnInit(): void {
        this._storage.set("foo", "bar");
        this._storage.set("anotherKey", "anotherValue");

        for (const [key, value] of this._storage) {
            console.log(`${key} => ${value}`);
            // Round 1: "foo => bar"
            // Round 2: "anotherKey => anotherValue"