/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 vote196 views1 answer
Update a xml document if its not empty on c#
TypeScript
0 vote220 views1 answer
Who indirectly elects the president
TypeScript
-2 votes221 views5 answers
Mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given
TypeScript
0 vote174 views1 answer
React static typescript properties
TypeScript
0 vote189 views1 answer
A ball is fired from a sling shot. The initial velocity is 2.25 m/s at 22.5. What are the vertical and horizontal components of the ball's initial velocity as it leaves the sling shot?
TypeScript
0 vote185 views1 answer
Type 'void' is not assignable to type '((this: GlobalEventHandlers, ev: MouseEvent) => any) | null'
TypeScript
0 vote201 views1 answer
Conditional statements in ti-82
TypeScript
1 vote188 views1 answer
Two plots side by side r
TypeScript
0 vote252 views1 answer
Marine traffic embeeded map in basic html
TypeScript
1 vote187 views1 answer
How to check when a number varibal = nan in ts
TypeScript