Generate Unique IDs Natively in JS Itself

There are several ways to generate unique IDs in JavaScript. One commonly used method utilizes the crypto API, a native feature that provides cryptographic functionality for secure operations like hashing, encryption, and decryption. We’ll explore the randomUUID method from the Crypto API to generate unique IDs.

Example

const uniqueId = crypto.randomUUID();
// (This will return a unique value on every call)

Output

487a3de3-4243-45e1-91d1-1eb5aaba5405

Let’s apply this method to create a list of students, each with a unique ID.

const students = [
  { id: crypto.randomUUID(), name: "Jack", class: 6, section: "A" },
  { id: crypto.randomUUID(), name: "Tom", class: 6, section: "A" },
];

Output

[
  {
    id: "f9189550-ae48-436d-bb49-d43bcf682fdd",
    name: "Jack",
    class: 6,
    section: "A",
  },
  {
    id: "60632624-98cb-46e1-ae9c-8dd2e7eb1614",
    name: "Tom",
    class: 6,
    section: "A",
  },
];

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Happy Coding 🙌 !