What is HashMap in JavaScript?

Related questions

1. What is the difference between a set and an array?
2. Does Javascript pass by value or by reference?
3. What does .value do in JavaScript?
4. What is map function in JavaScript?
5. What are callbacks in JavaScript?
6. What are source map files?
7. What is Const JavaScript?
8. Can HashMap have duplicate keys?
9. Is array an object in JavaScript?
10. Does map mutate array?

Tags

1. #scalars
2. #based
3. #language
4. #mapping
5. #tables
6. #values
7. #oriented
8. #javascript
9. #prototype
10. #property
11. #objects
12. #functions
13. #scalar
14. #arrays
15. #behave
16. #associative
17. #javascriptconstructing
18. #object
19. #table
20. #implementation