/TypeScript/How to update objects in locall storage

How to update objects in locall storage

// Get the existing data
var existing = localStorage.getItem('myFavoriteSandwich');

// If no existing data, create an array
// Otherwise, convert the localStorage string to an array
existing = existing ? existing.split(',') : [];

// Add new data to localStorage Array
existing.push('tuna');

// Save back to localStorage
localStorage.setItem('myFavoriteSandwich', existing.toString());

Source: gomakethings.com

Similar codes

0 vote316 views1 answer
Tolowercase typescript
TypeScript
0 vote371 views1 answer
IM DEAD
TypeScript
0 vote323 views1 answer
The html element that houses all html element that contains meta information about the web page,importing external stylesheets and internal ces
TypeScript
1 vote327 views1 answer
Binding reference of type discards qualifiers
TypeScript
0 vote343 views1 answer
TypeScript interface for object with arbitrary numeric property names?
TypeScript
0 vote398 views3 answers
Error: Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops.
TypeScript
0 vote369 views1 answer
Concat and nunll check in typescript
TypeScript
1 vote334 views1 answer
Adding paragraphs with foreach in angular docx.js
TypeScript
0 vote426 views1 answer
Laravel converts a singular word string to its plural form
TypeScript
0 vote331 views1 answer
Whats a typedef in c++
TypeScript