Exercise 13: Storage with Encryption (simple)
Problem Statement
Function `setEncrypted(key, value, password)` banao jo value ko encrypt karke store kare.
Example: setEncrypted("secret", "data", "password123")
Sample Output:
setEncrypted("secret", "data", "password123")
// Stores encrypted valueSolution
const setEncrypted = (key, value, password) => {
const encoded = btoa(JSON.stringify(value) + password);
localStorage.setItem(key, encoded);
};Explanation
Overall Goal:
- Value ko encrypt karke store karna.
Real world:
- Security: sensitive data encryption.
- Privacy: encrypted storage.