Visual Basic 6.0

Eval JavaScript Returning Int

See more JavaScript Examples

Demonstrates getting the completion value of a JavaScript that returns an integer. Visual Basic 6.0

Dim success As Long
success = 0

' This example demonstrates getting the completion value of a script,
' where the last evaluated expression is an integer.

' The Javascript run in this example is shown below.

' Load the JavaScript from a file.
Dim sbScript As New ChilkatStringBuilder
success = sbScript.LoadFile("js_eval_return_int.js","utf-8")
If (success = 0) Then
    Debug.Print sbScript.LastErrorText
    Exit Sub
End If

Dim js As New ChilkatJs
Dim result As New ChilkatJsonObject

' Run the JavaScript
' Eval returns the completion value of the script. This is generally the value of the last evaluated expression.
' In this case, the last evaluated expression is an int.
success = js.Eval(sbScript,result)
If (success = 0) Then
    Debug.Print sbScript.LastErrorText
    Exit Sub
End If

result.EmitCompact = 0
Debug.Print result.Emit()

' Output:

' {
'   "type": "int",
'   "value": 42
' }