How can I hash data in JavaScript?

How can I hash data in JavaScript?

You can use the built-in crypto module in Node.js or libraries like crypto-js for hashing in the browser.

Can you show me an example using the crypto module?

Sure! Here's a simple example:

const crypto = require('crypto');
const hash = crypto.createHash('sha256');
hash.update('your data here');
console.log(hash.digest('hex'));

What about hashing in the browser?

In the browser, you can use the SubtleCrypto interface. Here's an example:

async function hashData(data) {
    const encoder = new TextEncoder();
    const dataBuffer = encoder.encode(data);
    const hashBuffer = await crypto.subtle.digest('SHA-256', dataBuffer);
    return Array.from(new Uint8Array(hashBuffer)).map(b => b.toString(16).padStart(2, '0')).join('');
}

hashData('your data here').then(console.log);