Created
February 7, 2018 15:24
-
-
Save seveves/db021e66fc419812e7ee285b314bc6db to your computer and use it in GitHub Desktop.
JS Bin // source http://jsbin.com/gafodumawa
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!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> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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')); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment