Use the arrow keys to move.
Try to get the highest air possible and land in the transition of the ramp smoothly. The red beams are for you to have a good reference of where you are in the air. You want to have the line on the very left or very right of your screen to get a good landing. Can you get a jump higher than the reference posts and land? Remember that the code is not made by me and most of the credit should go to @griffpatch_tutor.