Length of Each Word in Array JavaScript (Algorithmic Project)

[@nuwanthuduwage6869]

Hi DigiDev, Thank you for sharing your experience and knowledge. I have tried this with a recursive approach. Appreciate if you can review it.
function stringLength(arr) {
if (arr.length === 0) return arr;
let output = [];
let message = `${arr[0]}=${arr[0].length}`;
output.push(message);
return [...output, ...stringLength(arr.slice(1))];
}

[@nuwanthuduwage6869]

@@digidev7060 Thank you so much for review it