localStorage snippets

Author: JanluOfficial

snippets/javascript/local-storage/clear-all-items-from-localstorage.md

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+---
+title: Clear all items from localStorage
+description: Removes all values in localStorage, no matter what key they're under.
+author: JanluOfficial
+tags: localStorage,storage
+---
+
+```js
+localStorage.clear();
+```

snippets/javascript/local-storage/get-all-keys-from-localstorage.md

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+---
+title: Get all keys from localStorage
+description: Gets all the keys currently assigned in localStorage.
+author: JanluOfficial
+tags: localStorage,storage
+---
+
+```js
+function getAllKeysFromLocalStorage() {
+    const keys = [];
+    for (let i = 0; i < localStorage.length; i++) {
+        keys.push(localStorage.key(i));
+    }
+    return keys;
+}
+
+// Usage:
+getAllKeysFromLocalStorage(); // Returns all keys from localStorage
+```

snippets/javascript/local-storage/update-item-in-localstorage.md

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+---
+title: Update Item in localStorage
+description: Updates an item with a specific key in localStorage.
+author: JanluOfficial
+tags: localStorage,storage
+---
+
+```js
+function updateLocalStorageItem(key, newValue) {
+    if (localStorage.getItem(key) !== null) {
+        localStorage.setItem(key, newValue);
+    } else {
+        console.error(`Item with key "${key}" does not exist in LocalStorage.`);
+    }
+}
+
+// Usage:
+updateLocalStorageItem('username', 'newUsername');
+```