subzey/LICENSE.txt

## annotated.js
function(
	s, // string to be onverted into bytes
	a  // placeholder
){
	a=[]; // a is array, we'll return it
	// %-escape the byte sequence. All chars that are no escaped are basic ASCII
	encodeURIComponent(s)
	// traversing the string
	.replace(
		// capture %{char}{char} ({char} can be presumably 0..F) storing these two chars
		// or just one any char
		/%(..)|./g,
		// and passing to function
		function(
			c, // full captured string
			p  // two chars in parens if those were captured
		){
			// push into array
			a.push(
				// if p is not "00" or is undefined (not captured)
				p != 0?
					// try to treat p as a hex value
					// if it succeded it will return anyting-above-zero (zero bytes are bypassed by p!=0)
					parseInt(p, 16) ||
					// if not it will return NaN and it means that captured string was not escaped
					// getting charCode
					c.charCodeAt()
				:
					// special case: parens were captured but it parseInt would return zero
					0
			)
		}
	);
	// after doing that with all bot escaped and not escaped chars
	// the a array is filled with byte codes. Return it
	return a
}

## index.js
function(s,a){a=[];encodeURIComponent(s).replace(/%(..)|./g,function(c,p){a.push(p!=0?parseInt(p,16)||c.charCodeAt():0)});return a}

## LICENSE.txt
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

## package.json
{
  "name": "stringToByteArray",

  "description": "Convert a string of characters to an array of UTF-8 bytes using encodeURIComponent",

  "keywords": [
    "alternative",
    "cryptography",
    "utf8"

  ]
}

## test.html
<!DOCTYPE html>
<title>stringToByteArray</title>
<div>Expected value: <b>49|52|48|227|131|144|227|130|164|227|131|136|0</b></div>
<div>Actual value: <b id="ret"></b></div>
<script>
  var stringToByteArray = function(s,a){a=[];encodeURIComponent(s).replace(/%(..)|./g,function(c,p){a.push(p!=0?parseInt(p,16)||c.charCodeAt():0)});return a}

  document.getElementById( "ret" ).innerHTML = stringToByteArray("140バイト\x00").join("|")
</script>
	function(
	s, // string to be onverted into bytes
	a // placeholder
	){
	a=[]; // a is array, we'll return it
	// %-escape the byte sequence. All chars that are no escaped are basic ASCII
	encodeURIComponent(s)
	// traversing the string
	.replace(
	// capture %{char}{char} ({char} can be presumably 0..F) storing these two chars
	// or just one any char
	/%(..)\|./g,
	// and passing to function
	function(
	c, // full captured string
	p // two chars in parens if those were captured
	){
	// push into array
	a.push(
	// if p is not "00" or is undefined (not captured)
	p != 0?
	// try to treat p as a hex value
	// if it succeded it will return anyting-above-zero (zero bytes are bypassed by p!=0)
	parseInt(p, 16) \|\|
	// if not it will return NaN and it means that captured string was not escaped
	// getting charCode
	c.charCodeAt()
	:
	// special case: parens were captured but it parseInt would return zero
	0
	)
	}
	);
	// after doing that with all bot escaped and not escaped chars
	// the a array is filled with byte codes. Return it
	return a
	}
	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

	0. You just DO WHAT THE FUCK YOU WANT TO.
	{
	"name": "stringToByteArray",

	"description": "Convert a string of characters to an array of UTF-8 bytes using encodeURIComponent",

	"keywords": [
	"alternative",
	"cryptography",
	"utf8"

	]
	}
	<!DOCTYPE html>
	<title>stringToByteArray</title>
	<div>Expected value: <b>49\|52\|48\|227\|131\|144\|227\|130\|164\|227\|131\|136\|0</b></div>
	<div>Actual value: <b id="ret"></b></div>
	<script>
	var stringToByteArray = function(s,a){a=[];encodeURIComponent(s).replace(/%(..)\|./g,function(c,p){a.push(p!=0?parseInt(p,16)\|\|c.charCodeAt():0)});return a}

	document.getElementById( "ret" ).innerHTML = stringToByteArray("140バイト\x00").join("\|")
	</script>