Brain Riddle Set 1

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Across
  1. 1. Google's language
  2. 4. A feature of JavaScript for asynchronous programming
  3. 5. Microsoft's object-oriented language
  4. 8. A type of function in functional programming
  5. 10. Looping command
  6. 11. Popular web development language
  7. 12. A very old language
  8. 14. Language for iOS and macOS development
Down
  1. 1. A memory management technique
  2. 2. Data storage unit
  3. 3. Common file extension for images
  4. 6. A way to create concurrent programs
  5. 7. A technique for code optimisation
  6. 9. Object-oriented programming
  7. 13. Web page language