How to convert a string in byteArray using JavaScript?
JavaScript Strings are stored in UTF-16. To get UTF-8, you’ll have to convert the String yourself.
JavaScript string to byte array example
HTML example code.
<!DOCTYPE HTML>
<html>
<body>
<script>
var str = "Hello";
var bytes = [];
var bytesv2 = [];
for (var i = 0; i < str.length; ++i) {
var code = str.charCodeAt(i);
bytes = bytes.concat([code]);
bytesv2 = bytesv2.concat([code & 0xff, code / 256 >>> 0]);
}
console.log('bytes', bytes.join(', '));
console.log('bytesv2', bytesv2.join(', '));
</script>
</body>
</html> Output:
Do comment if you have any doubts and suggestions on this JS Array topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version