JAVASCRIPT

localstorage save array

var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));

//...
var storedNames = JSON.parse(localStorage.getItem("names"));

how-to-save-array in Local storage - js

// our array
var movies = ["Reservoir Dogs", "Pulp Fiction", "Jackie Brown", 
"Kill Bill", "Death Proof", "Inglourious Basterds"];
 
// storing our array as a string
localStorage.setItem("quentinTarantino", JSON.stringify(movies));
 
// retrieving our data and converting it back into an array
var retrievedData = localStorage.getItem("quentinTarantino");
var movies2 = JSON.parse(retrievedData);
 
//making sure it still is an array
alert(movies2.length);

saving an array to localstorage

import { LocalService } from './../../../app/local.service'; <--your local service file

constructor(private local: LocalService)

this.yourArray.forEach(p => this.local.save(p));