Newbie At Coding

Hey! Im new to this site and coding, what tools should I use to efficiently get better…? What language should I use? I have miniscule experience with JS

From my coding experience, Python 3 is a good starter language (fast, fairly easy syntax), but since you said you have some JavaScript knowledge, either should be good.
Try practising with your chosen language by doing some easy puzzles first. Once you feel comfortable enough, try to do Clashes of Code. The problem is usually simple if you can figure out what to put in your code, but think fast!