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Flatten arrays

2022-04-23 08:05:00 【Pen drawing Acacia】

let flatten = (nestedList) => {
		let result = [];
		let fn = function(target, ary) {
			for (let i = 0; i < ary.length; i++) {
				let item = ary[i];
				if (Array.isArray(ary[i])) {
					fn(target, item);
				} else {
					target.push(item);
				}
			}
		}
		fn(result, nestedList) return result;
}

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