Array.join (), for example, will take the array that .join () was added to and turn it into a single string. Don't worry to much about functions and methods, though. We'll cover that stuff tomorrow.

Learn to code and break into tech with this course bundle for just $39.97. Gain job-ready skills in Python, Java, AI, and more — no degree required.

Top institutions like Harvard, Google, MIT, and IIT Bombay are offering free beginner coding courses in 2025. Covering Python, Java, R, C, and even Scratch for school educators, these courses help ...