jsonClone(jsonValue)

return a deep copy of the input json object or array

let a = {"string":"abc", "int": 1, "float": 2.01, "bool": true, "null":null, "array":[1,2,3], "map":{"foo":"bar"}}  
let b = jsonClone(a)  
printf("%s",b)  
// {"array":[1,2,3],"bool":true,"float":2.01,"int":1,"map":{"foo":"bar"},"null":null,"string":"abc"}