PBS
Pbs Learning Media: Tynker Hour of Code Puzzle: Dragon Dash
Students solve complex coding puzzles by applying computer programming concepts and enhance STEM learning outcomes as they play a fun coding adventure game. Learn skills such as patterning, sequencing, nested loops, conditionals, plus...
Khan Academy
Khan Academy: Review: Looping
A review of JavaScripts two kinds of loops, a "while loop" and a "for loop". Nested loops are also reviewed.