localstorage | Serialize , deserialize and namespace JSON in localstorage | Storage library
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kandi X-RAY | localstorage Summary
Serialize, deserialize and namespace JSON in localstorage.
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Lines of Code : 514License : Strong Copyleft (CC BY-SA 4.0)
Copyimport React from "react";
import axios from "axios";
import moment from "moment";
import "./styles.css";
// function to get data from API, taken it out since it
// does not depend on state as such, we can pass date a param
const getDataimport { useState, useEffect } from "react"
import { sendSubscribe } from "../scripts/subscribeFetch"
import { validateEmail } from "../scripts/email-validator"
import { unsubscribeUser } from "../scripts/unsubscribeFetch"
const JoinUsSeclocalstorage.setItem('comments', JSON.stringify(arr_of_cmnts);
//In svelte
let arr_of_cmnts = [];
export const comments = writable(localStorage.getItem('comments')|| JSON.stringify(arr_of_cmnts));
//js **normally**async function fetchMovie(movieTitle) {
const apiUrl = `http://www.omdbapi.com/?t=${movieTitle}&plot=full&apikey=836f8b0`;
let res = await fetch(apiUrl);
res = await res.json();
const title = res.Title;
saveSearch(titleconst auth = JSON.parse(localStorage.getItem('logged_in_status'));
...
useEffect(() => {
const checkAuthStatus = async () => {
return await axios.get("/loginstatus").then((res) => {
if (res.data.message === "No Tokenimport { validateEmail } from './email-validator.js'
export const sendSubscribe = async (emailInput) => {
const isValidEmail = validateEmail(emailInput) // idk if this is async func
if (isValidEmail === true) {
await selate SharedPreferences localStorage;
Future main() async {
WidgetsFlutterBinding.ensureInitialized();
// ↑ Req'd for using SharedPrefs (MethodChannel operations) prior to runApp
localStorage = await SharedPreDiscover {coinData.length > 0 && coinData[0].name}
const [coinData, setCoinData] = useState([], () => {
const localData = localStorage.getItem('coinData');
return localData ? JSON.parasync getProfile(success, error) {
return this.authHeader()
.then((headers) => {
return axios.get("/auth/me/", { headers }).then((resp) => {
if (resp.status === 200) {
success(resp.data);
} // ...and so ondocument.addEventListener('DOMContentLoaded', function () {
var contacts = [
{
id: '95470e9e-ee5c-4467-9500-1fcbeae1b57c',
hasPic: true,
picId: 3,
createdOn: '2021-08-01T17:31:32.230Z',
firstName: 'ELISACommunity Discussions
Trending Discussions on localstorage
QUESTION
The useHistory() hook is not working in my project. I have it in different components but none of them work. I am using "react-router-dom": "^5.2.0",
...ANSWER
Answered 2021-Aug-01 at 20:01QUESTION
I'm using React Router v6 and am creating private routes for my application.
In file PrivateRoute.js, I've the code
...ANSWER
Answered 2021-Nov-12 at 21:20I ran into the same issue today and came up with the following solution based on this very helpful article by Andrew Luca
In PrivateRoute.js:
QUESTION
When the infinite scroll gets near to the end, it loads back to the top of the page and refreshes.
How do I stop that so it loads new images with previous images, and stop it from loading back at the top and refresh?
I don't want the infinite scroll to be implemented in the favourites section, only the show contents section.
Appreciate any help, thanks.
...ANSWER
Answered 2022-Mar-06 at 19:46The problem is in two lines of your code. First, as noted in comments,
QUESTION
I have upgraded my angular to angular 13. when I run to build SSR it gives me following error.
...ANSWER
Answered 2022-Jan-22 at 05:29I just solve this issue by correcting the RxJS version to 7.4.0. I hope this can solve others issue as well.
QUESTION
I'm trying to build a factorization algorithm using react. I would like to add results to LocalStorage based on results from factorization. However, LocalStorage sets previous results not current ones.
I think this is happening because useEffect runs on every new [number] (=user input) and not based on [results]. However, I need useEffect to run on new user input submition because that's when factorization has to be triggered.
How could I make localStorage set correct results after that factorization has completed (on the finally block if possible) ?
ANSWER
Answered 2021-Dec-24 at 18:50Here is what you need (probably):
QUESTION
I need to write an algorithm where the user selects an option to filter a particular data and on every click it makes an api request returning the filtered data. As many times the user clicks it needs to continue to filter out the data. My question is, how can the algorithm save the most recent result and run a for/filter loop on the most recent results? Should I store the most recent results in localStorage in order to further filter the results? And when the user decides to unselect the data that they wanted to filter, it should show the user their previous results. The user should be able to continue to filter until they get the desired data. Please see example below.
...ANSWER
Answered 2021-Dec-28 at 18:47You can iterate the array and check if each object satisfies the passed filters. This works with filters having multiple elements and each element having multiple properties.
QUESTION
So i'm new in JS and i have a task for mastering Ajax Requests.I should send an email input from form to the server and a lot more,but i can not figure out how to send this data to a server that is in another folder.I lost all my nerves with this task and i dont know what to do.
So,i have a folder personal-website-server and another folder src where is my project,both folders are in another folder,the parent.
It looks like this :
./
dist < webpack bundle folder
node_modules
personal-website-server
/ package.json in personal-website-server
src
and package.json in the parent folder
Image for more understanding:
So,i should do this:
Upon clicking on the "Subscribe" button, implement the functionality for sending a user email to the server. For that, make POST Ajax request using http://localhost:3000/subscribe endpoint. The call to the server should only be made when the form is valid (the validate function )
The connection is made through a proxy to the server,idk how this thing works and i get it hard to do this task because its not so described.
Codes:
I created fetch.js in src that checks if email is valid and sends it to the server,like i understood:
ANSWER
Answered 2021-Dec-17 at 13:50I fixed the problem,it was in the webpack.config.js.I didnt listened to the apis and now it is like this :
QUESTION
I am using the Google Tag Manager with a single tag referencing a default Google Analytics script. My solution is based on the information from these resources:
- https://www.iubenda.com/en/help/27137-google-consent-mode
- https://www.simoahava.com/analytics/consent-settings-google-tag-manager/
- https://www.simoahava.com/analytics/consent-mode-google-tags/
The code is simple (commit):
index.html: define gtag() and set denied as a default for all storages
ANSWER
Answered 2021-Dec-08 at 10:11From your screenshot, gtm.js is executed before the update of the consent mode so the pageview continues to be sent to Google Analytics as denied.
The update must take place before gtm.js
QUESTION
I have an object that I want to assign to the local storage , I mean can you loop over it ? any idea how to implement this ? The end result is the keys in the object must be keys as well in the local storage after using the setitem, I sure know how set and get singular items but in other words I want to mount and object on an empty local storage object.
...ANSWER
Answered 2021-Nov-29 at 05:53You have to use JSON.stringify(data); in order to store object in local storage.
Make sure you create your complete object in JavaScript itself (as per your requirement). And then once your object is ready, use JSON.stringify method to save objects in your local storage.
And to retreive back the data you will use JSON.parse() to get back the Object and then you can use any JavaScript methods to perform your tasks as per the requirement.
QUESTION
I'm using localStorage to save user data on login. I've saved it named "jwt_data". I've created a function on saperate js file to retrieve that data as
...ANSWER
Answered 2021-Nov-07 at 18:04So you need useContext in this case.
In your app.js
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