Arrays
by Anonymous
Push and pop values to see how indexes shift and why counting starts at 0.
About this app
Arrays is an interactive JavaScript basics app that teaches how array positions change when values are added or removed. Explore push, pop, unshift, and shift with visual boxes, then practice walking through an array with loops and matching target arrays using operations.
Use cases
- Beginners learning JavaScript arrays
- Students studying zero-based indexing
- Teachers demonstrating array operations and loops
- Learners practicing array transformation puzzles
Features
- Visual box row showing array values and indexes
- Interactive push, pop, unshift, and shift operations
- Loop challenges for sums, maximums, counting, searching, and doubling
- Target-matching puzzles using four array operations
- Reset, next-challenge, run, and progress controls