Type the passage using a US QWERTY keyboard. Escape restarts. Tab moves to the controls. On-screen Shift applies to the next clicked character.
Start typing
Fix and Verify · Apply
Goal: Type everything so far with at least 95% accuracy. Checkpoint: repair a shopping total. Follow the sum and its guard condition, then predict the logged total.
const prices = [20, 15, 7]; const total = prices.reduce((sum, price) => sum + price, 0); if (total <= 0) { throw new Error("Total must be positive"); } console.log("Fixed: " + total);
c · Left middle
F + J · home keysSwipe the keyboard to see the other keys.
End of on-screen keyboardUS QWERTY · Fluency mode · Keep your wrists relaxed.