One option: compete on your strengths, not your weaknesses. E.g. you probably have some prior job experience, job experience that someone straight out of schoo

One option: compete on your strengths, not your weaknesses. E.g. you probably have some prior job experience, job experience that someone straight out of school doesn't have. That job experience likely taught you some valuable skills, which you should highlight - skills you need as a programmer go far beyond Javascript or datastructures.