https://bugzilla.wikimedia.org/show_bug.cgi?id=31926
Web browser: ---
Bug #: 31926
Summary: Updating from addOnloadHook to jQuery(document).ready
breaks some scripts
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Javascript
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
According to [[mw:ResourceLoader/JavaScript Deprecations#wikibits.js]], the
function "addOnloadHook" is deprecated in favour of "jQuery(document).ready".
This change breaks some scripts.[1][2]
E.g.: consider a function to get the rows of the table present on
[[Special:Upload]]:
----
function test(){
document.getElementById( 'mw-htmlform-description' ).rows
}
----
If it is executed by "addOnloadHook", it will return all the 6 rows, but if it
is executed by "jQuery(document).ready", it only returns 4 rows.
You can confirm this broken behavior using the sample code [3].
[1] https://pt.wikipedia.org/w/index.php?oldid=27372605
[2]
https://pt.wikipedia.org/wiki/MediaWiki_Discuss%C3%A3o:Gadget-UploadForm.js#Gadget_padr.C3.A3o_e_ResourceLoader
[3] https://en.wikipedia.org/?oldid=457179751
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