How to represent a sparse array in JSON?

Question

I\'ve got a sparse array that I want to represent in JSON. For example:

  -10 => 100
   -1 => 102
    3 => 44
   12 => -87
12345 => 0
<         


        

Answer 1

Yes, you can. JSON object members name are strings. Strings can hold any UTF-8 encoded value:

{
  "-10"   : 100,
  "-1"    : 102,
  "3"     : 44,
  "12"    : -87,
  "12345" : 0
}