A code generator that takes Javascript and compiles it to ASCII Control Characters that are not visible, based on Martin Kleppe's "Invisible Code" talk

invisible-code-generator.js

/**
 * Invisible Code Generator
 *
 * Description:
 * A code generator that takes Javascript and compiles it to
 * ASCII Control Characters that are not visible
 *
 * Usage:
 * Copy and paste the code into your browsers console
 * Then paste the code you wish to convert to "Invisible Code"
 * Your code will then be copied to your clipboard
 *
 * Credits: Martin Kleppe aka @aemkei
 *
 * Author: Aaron George
 * Github: github.com/aarongeorge
 */

const textToHex = t => t.split('').map(c => (`0${c.charCodeAt(0).toString(16)}`).slice(-2)).join(' ')
const hexToControlCharacter = h => h.split(' ').map(c => c.replace(/(.)(.)/, '%1$1%1$2')).join('')
const codeToHide = window.prompt('Enter your code')
const hex = textToHex(codeToHide)
const cc = unescape(hexToControlCharacter(hex))

// Copy text to clipboard
copy(`eval(eval('"'+escape("${cc}").replace(/..(.)..(.)/g,'\\\\x$1$2')+'"'))`)

// Alert that the text is there
window.alert('Code has been copied to your clipboard')