user2744: How would I go about making a Javascript script which can get information from the cardano blockchain. Like what library or framework can I use.

user4401: Nami wallet injects a bunch of functions yo your browser, similar to meta mask:
https://namiwallet.io/

user1058: Ogmios runs alongside a cardano node and provides a websocket api to sync or query the chain. Documentation is available here. If you don't want to host the node yourself, or want to get up and runnning as quickly as possible, you could check out the instance hosted by Gimbalabs

user2503: While I have not used this API myself, the Blockfrost API has a JavaScript SDK that can do that. There is a free tier.

2744: <p>How would I go about making a Javascript script which can get information from the cardano blockchain. Like what library or framework can I use.</p>
 4401: <p>Nami wallet injects a bunch of functions yo your browser, similar to meta mask:</p>
<p><a href="https://namiwallet.io/" rel="nofollow noreferrer">https://namiwallet.io/</a></p>
 1058: <p><a href="https://github.com/CardanoSolutions/ogmios" rel="nofollow noreferrer">Ogmios</a> runs alongside a cardano node and provides a websocket api to sync or query the chain. Documentation is <a href="https://ogmios.dev/" rel="nofollow noreferrer">available here</a>. If you don't want to host the node yourself, or want to get up and runnning as quickly as possible, you could check out <a href="https://gimbalabs.com/dandelionapis/ogmios-api" rel="nofollow noreferrer">the instance hosted by Gimbalabs</a></p>
 2503: <p>While I have not used this API myself, the <a href="https://blockfrost.io/" rel="nofollow noreferrer">Blockfrost API</a> has a <a href="https://github.com/blockfrost/blockfrost-js" rel="nofollow noreferrer">JavaScript SDK</a> that can do that. There is a free tier.</p>
