Basic Operations

Setting Data

Use localStorage.setItem(key, value) to store data.

JavaScript
localStorage.setItem("username", "JohnDoe");
console.log("Data saved!");

Getting Data

Use localStorage.getItem(key) to retrieve data.

JavaScript
const username = localStorage.getItem("username");
console.log(username); // Outputs: JohnDoe

Removing Data

Use localStorage.removeItem(key) to delete a specific item.

JavaScript
localStorage.removeItem("username");
console.log("Data removed!");

Clearing All Data

Use localStorage.clear() to remove all stored data.

JavaScript
localStorage.clear();
console.log("All data cleared!");

Checking Length

Use localStorage.length to get the number of items stored.

JavaScript
console.log(localStorage.length); // Outputs the number of stored keys

Accessing Keys

Use localStorage.key(index) to retrieve the key at a specific index.

JavaScript
const key = localStorage.key(0);
console.log(key); // Outputs the first key
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