Localstorage

LocalStorage

// localStorage for objects, arrays or any data type
var obj = {
	firstName: "Bob",
    lastName: "Jeff",
    age: 13
}
localStorage.setItem("itemname", JSON.stringify(obj)); // Save the obj as string
var item = JSON.parse(localStorage.getItem("itemname")); 
// ^^ Parse string then set `item` as the obj

Localstorage

window.localStorage.setItem('myCat', 'Tom');
const cat = window.localStorage.getItem('myCat');

Source: developer.mozilla.org

LocalStorage

         function saveList() {
           localStorage.storedList = document.getElementById("list").innerHTML;
         }
         //This is a saved list

Localstorage

localStorage.setItem('Items' , 'Bread');
let Bread = localStorage.getItem('Items');

Localstorage

    import { Injectable, OnDestroy } from '@angular/core';
    import { Subject } from 'rxjs/Subject';
    import { share } from 'rxjs/operators';
    
    @Injectable()
    export class StorageService implements OnDestroy {
      private onSubject = new Subject<{ key: string, value: any }>();
      public changes = this.onSubject.asObservable().pipe(share());
    
      constructor() {
        this.start();
      }
    
      ngOnDestroy() {
        this.stop();
      }
    
      public getStorage() {
        let s = [];
        for (let i = 0; i < localStorage.length; i++) {
          s.push({
            key: localStorage.key(i),
            value: JSON.parse(localStorage.getItem(localStorage.key(i)))
          });
        }
        return s;
      }
    
      public store(key: string, data: any): void {
        localStorage.setItem(key, JSON.stringify(data));
        this.onSubject.next({ key: key, value: data})
      }
    
      public clear(key) {
        localStorage.removeItem(key);
        this.onSubject.next({ key: key, value: null });
      }
    
    
      private start(): void {
        window.addEventListener("storage", this.storageEventListener.bind(this));
      }
    
      private storageEventListener(event: StorageEvent) {
        if (event.storageArea == localStorage) {
          let v;
          try { v = JSON.parse(event.newValue); }
          catch (e) { v = event.newValue; }
          this.onSubject.next({ key: event.key, value: v });
        }
      }
    
      private stop(): void {
        window.removeEventListener("storage", this.storageEventListener.bind(this));
        this.onSubject.complete();
      }
    }

Source: stackoverflow.com

Localstorage

localStorage.removeItem('myCat');

Source: developer.mozilla.org

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