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IE document.parentWindow.pageYOffset fails for no apparent reason


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Global $oIE = _IECreate("http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html", 1, 1)
$oIE.document.parentWindow.scrollBy(0, 200)
ConsoleWrite("scrolled "& $oIE.document.body.scrollTop &@CRLF)
_IENavigate($oIE, "https://www.google.com/search?q=wikipedia&sourceid=ie7&rls=com.microsoft:en-US:IE-Address&ie=&oe=")
sleep(200)
$oIE.document.parentWindow.scrollBy(0, 200)
ConsoleWrite("scrolled "& $oIE.document.parentWindow.pageYOffset &@CRLF)
exit

What I am trying to do is find out how far down the page is scrolled. The .pageYOffset() ALWAYS fails for me and I cannot tell why. If I hit F12 (dev options) and enter "document.parentWindow.pageYOffset" In the console and run it, it ALWAYS works and gives me the correct value. I know the .parentWindow in my script above is correct because scrollBy() ALWAYS works, yet pageYOffset() doesn't

I also tried using document.body.scrollTop and it only seems to work for SOME pages, and not for others, but when it works it works both from autoit AND the IE dev console, and when it does not work it doesn't work on either. At least it's consistent.

Why does pageYOffset work in the dev console of IE but NOT from autoit? 
Why does scrollTop only work on SOME pages?

Windows 8.1 64 bit, running IE 11.0.23
Edit1: updated test. 

 

Edited by corgano

0x616e2069646561206973206c696b652061206d616e20776974686f7574206120626f64792c20746f206669676874206f6e6520697320746f206e657665722077696e2e2e2e2e

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I found a solution that seems to work (for now). I could have sworn I tried this ten minutes ago and it didn't work at all.. See edit

$oIE.document.body.scrollTop

Edit: Nope! Works for some pages, and NOT for others. See this test script:
 

Global $oIE = _IECreate("http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html", 1, 1)
$oIE.document.parentWindow.scrollBy(0, 200)
ConsoleWrite("scrolled "&$oIE.document.body.scrollTop &@CRLF)
_IENavigate($oIE, "https://www.google.com/search?q=wikipedia&sourceid=ie7&rls=com.microsoft:en-US:IE-Address&ie=&oe=")
sleep(200)
$oIE.document.parentWindow.scrollBy(0, 200)
ConsoleWrite("scrolled "&$oIE.document.body.scrollTop &@CRLF)
exit

I want to get how scrolled ANY page is.

Edited by corgano

0x616e2069646561206973206c696b652061206d616e20776974686f7574206120626f64792c20746f206669676874206f6e6520697320746f206e657665722077696e2e2e2e2e

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Just checking .....

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Please remember: "AutoIt"..... *  Wondering who uses AutoIt and what it can be used for ? * Forum Rules *
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IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

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Try This:

#include <ie.au3>
_IEErrorHandlerRegister(_My_ErrFunc)
Global $oIE = _IECreate("http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html", 1, 1)
Local $oParent = $oIE.document.parentWindow
$oParent.scrollBy(0, 100) ; Always works

;~ https://github.com/rackt/react-router/issues/605
ConsoleWrite("scrolled " & $oIE.document.documentElement.scrollLeft & @CRLF)
ConsoleWrite("scrolled " & $oIE.document.documentElement.scrollTop & @CRLF)

ConsoleWrite("scrolled " & $oParent.pageYOffset & @CRLF)

; User's COM error function. Will be called if COM error occurs
Func _My_ErrFunc($oError)
    ; Do anything here.
    ConsoleWrite(@ScriptFullPath  & " (" & $oError.scriptline & ") : ==> COM Error intercepted !" & @CRLF & _
            @TAB & "err.number is: " & @TAB & @TAB & "0x" & Hex($oError.number) & @CRLF & _
            @TAB & "err.windescription:" & @TAB & $oError.windescription & @CRLF & _
            @TAB & "err.description is: " & @TAB & $oError.description & @CRLF & _
            @TAB & "err.source is: " & @TAB & @TAB & $oError.source & @CRLF & _
            @TAB & "err.helpfile is: " & @TAB & $oError.helpfile & @CRLF & _
            @TAB & "err.helpcontext is: " & @TAB & $oError.helpcontext & @CRLF & _
            @TAB & "err.lastdllerror is: " & @TAB & $oError.lastdllerror & @CRLF & _
            @TAB & "err.scriptline is: " & @TAB & $oError.scriptline & @CRLF & _
            @TAB & "err.retcode is: " & @TAB & "0x" & Hex($oError.retcode) & @CRLF & @CRLF)
EndFunc   ;==>_ErrFunc

 

Signature beginning:
Please remember: "AutoIt"..... *  Wondering who uses AutoIt and what it can be used for ? * Forum Rules *
ADO.au3 UDF * POP3.au3 UDF * XML.au3 UDF * IE on Windows 11 * How to ask ChatGPT for AutoIt Codefor other useful stuff click the following button:

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) * Show_Macro_Values.au3 *

 

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

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