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JavaScript Introducing JavaScript Finishing the Game Adding Animated Characters

What key(s) do I need to press to make chalker jump?

I use "Pg up" button on keyboard but it doesn't work.

2 Answers

spacebar works for me

Use the up arrow key.

Thank you Osaro. I used up arrow key (it's "Pg up" on my Dell laptop) but it does not jump, FYI: Left and Right arrow keys work.