Classic ASP

Append New Item to JSON Array

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

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' 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.

set json = Server.CreateObject("Chilkat.JsonObject")

success = json.UpdateInt("lanes[-1]",0)
success = json.UpdateInt("lanes[]",1)
success = json.UpdateInt("lanes[*]",2)
success = json.UpdateInt("lanes[-1]",3)

Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"

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

%>
</body>
</html>