Visual Basic 6.0

JavaScript console

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Demonstrates console output using Chilkat JavaScript. Visual Basic 6.0

Dim success As Long
success = 0

' This example demonstrates using the built-in console object.
' The Javascript run in this example is shown below.

' Load the JavaScript from a file.
Dim sbScript As New ChilkatStringBuilder
success = sbScript.LoadFile("qa_data/js_tests/test_console.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
' Results (not console output) go to result.
' Note: 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 console.log which does not calculate a value. Therefore, it returns undefined.
success = js.Eval(sbScript,result)
If (success = 0) Then
    Debug.Print sbScript.LastErrorText
    Exit Sub
End If

' We can look at the result, which is "undefined", which is normal and expected.
Debug.Print result.Emit()
' The result JSON is: {"type":"undefined","value":"undefined"}

' The console output is retrieved by calling ConsoleOutputSb
Dim sbOut As New ChilkatStringBuilder
js.ConsoleOutputSb sbOut
Debug.Print sbOut.GetAsString()