Question

I am trying to implement simple hash map with key – value pair similar to java in javascript.
I want to map index and corresponding page number, index as key and pagenumber as value.

for example –> index – 1 , pagenumber-10

How to implement this in java script?

Answer 1

you can use javascript objects, where you can have key – value parametres,
e.g, : x = { index : 1, pagenumber : 10 }

you can have objects inside the objects, for example :

x = { a : { index : 1, pagenumber : 10}, b : { chapter : 1, pagenumber : 20 } }

and you can access this like below :

   x.a.index which gives you 1
   x.a.pagenumber which gives you 10