Control Flow, The Julia Language, 2023 - Authoritative documentation detailing Julia's if-elseif-else statements, for loops, while loops, break, continue, and ternary operator syntax and usage.
Think Julia: How to Think Like a Computer Scientist, Ben Lauwens and Allen B. Downey, 2019 (O'Reilly Media) - An introductory textbook that teaches programming fundamentals and computational thinking using Julia, including sections on conditional execution and iteration.