Hell, they let you edit the code samples. Slap the code in a for(let i = 0; i < 100; i++){ and watch the magic. Really impressive how it doesn't slow down the

Hell, they let you edit the code samples. Slap the code in a for(let i = 0; i < 100; i++){ and watch the magic. Really impressive how it doesn't slow down the rest of page.