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Exists Method (Script Runtime) 

  • Article

Returns true if a specified key exists in the Dictionary object, false if it does not.


object.Exists(key)

Arguments

  • object
    Required. Always the name of a Dictionary object.
  • key
    Required. Key value being searched for in the Dictionary object.

Remarks

The following example illustrates the use of the Exists method.

function keyExists(k)

{

   var fso, s = "";

   d = new ActiveXObject("Scripting.Dictionary");

   d.Add("a", "Athens");

   d.Add("b", "Belgrade");

   d.Add("c", "Cairo");

   if (d.Exists(k))

      s += "Specified key exists.";

   else 

      s += "Specified key doesn't exist.";

   return(s);

}

Function KeyExistsDemo

   Dim d, msg   ' Create some variables.

   Set d = CreateObject("Scripting.Dictionary")

   d.Add "a", "Athens"   ' Add some   keys and items.

   d.Add "b", "Belgrade"

   d.Add "c", "Cairo"

   If d.Exists("c") Then

      msg = "Specified key exists."

   Else

      msg = "Specified key doesn't exist."

   End If

   KeyExistsDemo = msg

End Function

Applies To:

Dictionary Object

See Also

Reference

Add Method (Script Runtime)
Items Method
Keys Method
Remove Method (Script Runtime)
RemoveAll Method