nancoding.js
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nancoding.js
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	const e = new TextEncoder();
	const d = new TextDecoder();

	function NaNcode(string) {
	const encoded = Array.from(e.encode(string));
	encoded.unshift(0, 0, 0, 0, 0, 0);
	while (encoded.length % 6) encoded.push(0);

	const bytes = [];
	let i = 0;

	while (encoded.length) {
	bytes.push(encoded.shift());
	i++;
	if (!(i % 6)) bytes.push(248, 127);
	}

	return Array.from(new Float64Array(new Uint8Array(bytes).buffer));
	}

	function unNaNcode(NaNs) {
	const raw = new Uint8Array(new Float64Array(NaNs).buffer);
	let count = 0;

	for (let i = 0; i < raw.length; i++) {
	if (i % 8 < 6 && raw[i] !== 0) count++;
	}

	const bytes = new Uint8Array(count);

	let j = 0;
	for (let i = 0; i < raw.length; i++) {
	if (i % 8 < 6 && raw[i] !== 0) bytes[j++] = raw[i];
	}

	return d.decode(bytes);
	}

	const NaNcoded = NaNcode('Hello, World! :D');
	console.log(NaNcoded, unNaNcode(NaNcoded));