A text-to-binary function can pass every test with Hello and still produce the wrong bytes for...
A text-to-binary function can pass every test with Hello and still produce the wrong bytes for 🙂.
The catch is deciding what “binary” means. For this article, the target is UTF-8 bytes, displayed as eight-bit groups. JavaScript string operations don't automatically give you those bytes.
Consider this implementation:
function naiveBinary(text) {
return text.split("")
You type "Hi" and the computer stores 01001000 01101001. Text is just numbers wearing a costume. Here...
Have you ever wondered how text like this works? 𝐇𝐞𝐥𝐥𝐨 𝐖𝐨𝐫𝐥𝐝 or: 𝓗𝓮𝓵𝓵𝓸 𝓦𝓸𝓻𝓵𝓭 It may look like...
The Mathematical Alphanumeric Symbols block looks like a clean 26-letter run you can index into. It is not. Five of its alphabets…
Run this in your browser console: btoa('café'); // 'Y2Fm6Q==' Enter fullscreen mode ...
Troubles faced with precision 0.3 - 0.2 !== 0.2 - 0.1 Enter fullscreen mode ...
I built a decimal-to-binary converter and then, for no good reason, decided that if you typed in the...
