A Shorter Shortcut is a coding talk through located in the Animation basics section of the Intro to JS course on Khan Academy.
In this coding talk through, Pamela shows a shortcut on incrementing variables by 1 each run of the draw loop. Spoiler alert: it's the "++". As a side note, programmers use this in everyday life, too.
☀ All Khan Academy content is available for free at: www.khanacademy.org