Hi, I have a file txt with the min / max temperature for each day and with this code ... const x = msg.payload; x.forEach(element => { let data let tempMin let tempMax msg.payload = (element.col1) data = msg.payload.substr(0, 2) msg.payload = (element.col1) temp…

const x = msg.payload.slice(-30); should return the last 30 indices. [image] Array.prototype.slice() - JavaScript | MDN The slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included) where start and end repres…

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Array - last (n) item

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E1cid 18 September 2022 12:42 2

const x = msg.payload.slice(-30);
should return the last 30 indices.

1 Like

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Array - last (n) item

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