JavaScript
JavaScript
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.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat
v11.4.0 or greater.
// Starting in Chilkat v9.5.0.77, 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.
var json = new CkJsonObject();
json.UpdateInt("lanes[-1]",0);
json.UpdateInt("lanes[]",1);
json.UpdateInt("lanes[*]",2);
json.UpdateInt("lanes[-1]",3);
console.log(json.Emit());
// Output is: {"lanes":[0,1,2,3]}