seveves/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
function toByteArray(str) {
    const bytes = [];
    for (let i = 0; i < str.length; i++) {
      let charcode = str.charCodeAt(i);
      if (charcode < 0x80) {
        bytes.push(charcode);
      } else if (charcode < 0x800) {
        bytes.push(0xc0 | (charcode >> 6),
                   0x80 | (charcode & 0x3f));
      } else if (charcode < 0xd800 || charcode >= 0xe000) {
        bytes.push(0xe0 | (charcode >> 12),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      } else {
        i++;
        charcode = 0x10000 + (((charcode & 0x3ff) << 10) |
                   (str.charCodeAt(i) & 0x3ff));
        bytes.push(0xf0 | (charcode >> 18),
                   0x80 | ((charcode >> 12) & 0x3f),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      }
    }
    return bytes;
  }


function getBytes(str) {
  var utf8 = unescape(encodeURIComponent(str));
  return Array.from({ length: utf8.length }).map((_, i) => utf8.charCodeAt(i));
};

console.log(getBytes('abcd§ß'));
console.log(toByteArray('abcd§ß'));
</script>


<script id="jsbin-source-javascript" type="text/javascript">function toByteArray(str) {
    const bytes = [];
    for (let i = 0; i < str.length; i++) {
      let charcode = str.charCodeAt(i);
      if (charcode < 0x80) {
        bytes.push(charcode);
      } else if (charcode < 0x800) {
        bytes.push(0xc0 | (charcode >> 6),
                   0x80 | (charcode & 0x3f));
      } else if (charcode < 0xd800 || charcode >= 0xe000) {
        bytes.push(0xe0 | (charcode >> 12),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      } else {
        i++;
        charcode = 0x10000 + (((charcode & 0x3ff) << 10) |
                   (str.charCodeAt(i) & 0x3ff));
        bytes.push(0xf0 | (charcode >> 18),
                   0x80 | ((charcode >> 12) & 0x3f),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      }
    }
    return bytes;
  }


function getBytes(str) {
  var utf8 = unescape(encodeURIComponent(str));
  return Array.from({ length: utf8.length }).map((_, i) => utf8.charCodeAt(i));
};

console.log(getBytes('abcd§ß'));
console.log(toByteArray('abcd§ß'));</script></body>
</html>

## jsbin.gafodumawa.js
function toByteArray(str) {
    const bytes = [];
    for (let i = 0; i < str.length; i++) {
      let charcode = str.charCodeAt(i);
      if (charcode < 0x80) {
        bytes.push(charcode);
      } else if (charcode < 0x800) {
        bytes.push(0xc0 | (charcode >> 6),
                   0x80 | (charcode & 0x3f));
      } else if (charcode < 0xd800 || charcode >= 0xe000) {
        bytes.push(0xe0 | (charcode >> 12),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      } else {
        i++;
        charcode = 0x10000 + (((charcode & 0x3ff) << 10) |
                   (str.charCodeAt(i) & 0x3ff));
        bytes.push(0xf0 | (charcode >> 18),
                   0x80 | ((charcode >> 12) & 0x3f),
                   0x80 | ((charcode >> 6) & 0x3f),
                   0x80 | (charcode & 0x3f));
      }
    }
    return bytes;
  }


function getBytes(str) {
  var utf8 = unescape(encodeURIComponent(str));
  return Array.from({ length: utf8.length }).map((_, i) => utf8.charCodeAt(i));
};

console.log(getBytes('abcd§ß'));
console.log(toByteArray('abcd§ß'));
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	</head>
	<body>

	<script id="jsbin-javascript">
	function toByteArray(str) {
	const bytes = [];
	for (let i = 0; i < str.length; i++) {
	let charcode = str.charCodeAt(i);
	if (charcode < 0x80) {
	bytes.push(charcode);
	} else if (charcode < 0x800) {
	bytes.push(0xc0 \| (charcode >> 6),
	0x80 \| (charcode & 0x3f));
	} else if (charcode < 0xd800 \|\| charcode >= 0xe000) {
	bytes.push(0xe0 \| (charcode >> 12),
	0x80 \| ((charcode >> 6) & 0x3f),
	0x80 \| (charcode & 0x3f));
	} else {
	i++;
	charcode = 0x10000 + (((charcode & 0x3ff) << 10) \|
	(str.charCodeAt(i) & 0x3ff));
	bytes.push(0xf0 \| (charcode >> 18),
	0x80 \| ((charcode >> 12) & 0x3f),
	0x80 \| ((charcode >> 6) & 0x3f),
	0x80 \| (charcode & 0x3f));
	}
	}
	return bytes;
	}



	function getBytes(str) {
	var utf8 = unescape(encodeURIComponent(str));
	return Array.from({ length: utf8.length }).map((_, i) => utf8.charCodeAt(i));
	};

	console.log(getBytes('abcd§ß'));
	console.log(toByteArray('abcd§ß'));
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">function toByteArray(str) {
	const bytes = [];
	for (let i = 0; i < str.length; i++) {
	let charcode = str.charCodeAt(i);
	if (charcode < 0x80) {
	bytes.push(charcode);
	} else if (charcode < 0x800) {
	bytes.push(0xc0 \| (charcode >> 6),
	0x80 \| (charcode & 0x3f));
	} else if (charcode < 0xd800 \|\| charcode >= 0xe000) {
	bytes.push(0xe0 \| (charcode >> 12),
	0x80 \| ((charcode >> 6) & 0x3f),
	0x80 \| (charcode & 0x3f));
	} else {
	i++;
	charcode = 0x10000 + (((charcode & 0x3ff) << 10) \|
	(str.charCodeAt(i) & 0x3ff));
	bytes.push(0xf0 \| (charcode >> 18),
	0x80 \| ((charcode >> 12) & 0x3f),
	0x80 \| ((charcode >> 6) & 0x3f),
	0x80 \| (charcode & 0x3f));
	}
	}
	return bytes;
	}



	function getBytes(str) {
	var utf8 = unescape(encodeURIComponent(str));
	return Array.from({ length: utf8.length }).map((_, i) => utf8.charCodeAt(i));
	};

	console.log(getBytes('abcd§ß'));
	console.log(toByteArray('abcd§ß'));</script></body>
	</html>