kdrag0n

let csetSrc = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
let csetDest = ['𝕒','𝕓','𝕔','𝕕','𝕖','𝕗','𝕘','𝕙','𝕚','𝕛','𝕜','𝕝','𝕞','𝕟','𝕠','𝕡','𝕢','𝕣','𝕤','𝕥','𝕦','𝕧','𝕨','𝕩','𝕪','𝕫','𝔸','𝔹','ℂ','𝔻','𝔼','𝔽','𝔾','ℍ','𝕀','𝕁','𝕂','𝕃','𝕄','ℕ','𝕆','ℙ','ℚ','ℝ','𝕊','𝕋','𝕌','𝕍','𝕎','𝕏','𝕐','ℤ','𝟘','𝟙','𝟚','𝟛','𝟜','𝟝','𝟞','𝟟','𝟠','𝟡']

for (let el of document.querySelectorAll('*')) {
    // ignore non-user-visible
    if (el.style.display == 'none' || el.style.visibility == 'hidden') {
        continue
    }
    if (el.tagName == 'SCRIPT' || el.tagName == 'STYLE' || el.tagName == 'TEXTAREA') {
        continue