Lua Requires Chilkat v9.5.0.77+

Append New Item to JSON Array

See more JSON Examples

Demonstrates the notations that can be used in a JSON array index to append to the end of an array. Lua

local chilkat = require("chilkat")

-- The following notations are possible to specify that the value
-- should be appended to the end of the array. (In other words, if the array currenty has N elements, then "-1", "", or "*"
-- indicate an index of N+1.

local json = chilkat.JsonObject.new()

json:update_int("lanes[-1]", 0)
json:update_int("lanes[]", 1)
json:update_int("lanes[*]", 2)
json:update_int("lanes[-1]", 3)

print(json:emit())

-- Output is:  {"lanes":[0,1,2,3]}