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ResourceLoader/Legacy JavaScript

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This page documents deprecated identifiers that will be removed from mediawiki eventually (see bug 33836). Their replacements are in the "Replaced by" columns below. Also see the ResourceLoader migration guides for extension developers and for users. All replacements and some new modules are available as-is since 1.17. Please use the modern replacements for new code and rewrite old code immediately. If you encounter no replacement and believe there should be one, please Let us know!

Please note the current implementation in Git may differ from the latest stable release and what might eventually be included with mediawiki. Any code relying on details obtained from Git may break.

Toggle grep script

Deprecated identifiers in source code files can be found by using Unix style commands such as: 

 grep -n -f deprecated.ids *.js

where deprecated.ids is a text file created from the list page. Make sure to remove any blank lines at the end of the file. Note: Automatic replaces are not recommended because some identifier names are potentially part of another (non-deprecated or custom) identifier, for example addPortletLink and mw.util.addPortletLink, or 'ta' and 'var = takeMyCustomVariable'.

ajax.js

Code: ajax.js

Identifier Type Replaced by
sajax_debug_mode string

» jQuery.ajax

Use AJAX functions to access pages and the API directly. 

$( '#mybox' ).load( '/wiki/Template:ResourceLoader_navigation #bodyContent' );

$.get(
	mw.config.get( 'wgScript' ), {
		title: 'ResourceLoader',
		action: 'raw'
	},
	function( data ) {
		/* Call was successful do something with "data" */
	}
);

$.getJSON(
	mw.util.wikiScript( 'api' ), {
		format: 'json',
		action: 'query',
		titles: 'Main Page',
		prop: 'info'
	},
	function( obj ) {
		/* API call was successful do something with obj */
	}
);

For more information see documentation for .load(), .get(), .getJSON() and the other jQuery Ajax functions.

See also this guide from WikiProject User scripts, for an example of how to edit a wikipage using AJAX.

sajax_request_type string
sajax_debug function
sajax_init_object function
wfSupportsAjax function
sajax_do_call function 
$.get(
	mw.util.wikiScript(), {
		action: 'ajax',
		rs: 'SomeExtensionFunction',
		rsargs: [arg1, arg2, arg3] // becomes &rsargs[]=arg1&rsargs[]=arg2...
	}
);

Note: These calls using action=ajax should be rewritten to use an API module

edit.js

The toolbar interfaces will likely migrate into an extension. The default bundle would include the Extension:WikiEditor, which already has an advanced API that replaces all of this.

Identifier Type Replaced by
currentFocused HTMLElement (private/obsolete)
addButton function mw.toolbar.addButton
mwInsertEditButton function (private/obsolete)
mwSetupToolbar function (private/obsolete)
insertTags function mw.toolbar.insertTags
scrollEditBox function (private/obsolete)
mwEditButtons Array (private/obsolete)

mwsuggest.js

Replaced by jQuery.suggestions

See documentation for more information.

wikibits.js

Code: wikibits.js

Identifier Type Replaced by
clientPC string

» jQuery.client

is_gecko boolean
is_safari boolean
is_safari_win boolean
is_chrome boolean
is_chrome_mac boolean
is_ff2 boolean
is_ff2_win boolean
is_ff2_x11 boolean
webkit_match object
ff2_bugs boolean

» jQuery.support maybe?

ie6_bugs boolean
doneOnloadHook boolean

» jQuery

Use 

jQuery( document ).ready( function( $ ) {
	/* your inline code to be executed after the page is loaded */
} );

// or:
jQuery( document ).ready( LoadMyApp );

Or shorthand: 

jQuery( function( $ ) {
	/* your inline code to be executed after the page is loaded */
} );

// or:
$( LoadMyApp );
onloadFuncts object
addOnloadHook function
runOnloadHook function
killEvt function

» jQuery.Event: 

/**
 * @param e {jQuery.Event} Cross-browser compatible/normalized event object
 */
$( '#mw-fooBar' ).click( function( e ) {
	e.preventDefault();
	/* do something else */
} );
loadedScripts object redundant
importScript function ‎

» mediaWiki.loader 

// Full script url
mw.loader.load( 'https://commons.wikimedia.org/w/index.php?title=MediaWiki:Gadget-HotCat.js&action=raw&ctype=text/javascript' );
// Protocol-relative script url
mw.loader.load( '//commons.wikimedia.org/w/index.php?title=MediaWiki:Gadget-HotCat.js&action=raw&ctype=text/javascript' );
// Local script url
mw.loader.load( '/w/index.php?title=MediaWiki:Gadget-HotCat.js&action=raw&ctype=text/javascript' );

// Stylesheet
mw.loader.load( '/w/index.php?title=User:Example/custom-foo.css&action=raw&ctype=text/css', 'text/css' );
importStylesheet function
importScriptURI function
importStylesheetURI function
appendCSS function » mediaWiki.util.addCSS
addHandler function

» jQuery Events

Using .on() one can add event handlers. Some of the more common events have their own shortcuts (such as .click()). 

// Attach multiple events to an element and attach an anonymous function
$( '#fooBar' ).on( 'mouseenter mouseleave', function() {
	alert( '#fooBar is moused!' );
} );

// Attach multiple events with different handlers to a single element
$( '#fooBar' ).on( {
	click: function() {
		// do something on click
	},
	mouseenter: function() {
		// do something on mouseenter
	}
} );

// Attach a handler to the click events of an earlier defined DOM element
$( myElement ).click( myFunction );
addClickHandler function
removeHandler function
hookEvent function
mwEditButtons object obsolete
mwCustomEditButtons object

» WikiEditor

The new WikiEditor (which also works fine in Monobook, see here) has built-in function to customize the toolbar. For more info see Extension:WikiEditor/Toolbar customization. For examples to insert buttons using the native script see Extension:WikiEditor/Toolbar customization/Library. For a script to insert buttons using a simple syntax similar to the old way check out m:User:Krinkle/Scripts/insertVectorButtons#Description 

mw.loader.load( '//meta.wikimedia.org/w/index.php?title=User:Krinkle/insertVectorButtons.js'
 + '&action=raw&ctype=text/javascript' );

function kCustomMainInsertButton_config(){ 
// {{Welcome}} ~~~~
kCustomMainInsertButton(
	'welcome', // Id
	'//commons.wikimedia.org/w/thumb.php?f=Nuvola_apps_edu_languages.svg&w=22', // File
	'Welcome', // tooltip
	'{\{Welcome}\}\~\~\~\~', // Open tag
	'', // Close tag
	'' // sampleText
);
// {{subst:Test2}} ~~~~
kCustomMainInsertButton(
	'test2', // Id
	'//commons.wikimedia.org/w/thumb.php?f=Nuvola_apps_important.svg&w=22', // File
	'Test2', // tooltip
	'{\{subst:test2|', // Open tag
	'}\}\~\~\~\~', // Close tag
	'' // sample text
);
}

tooltipAccessKeyPrefix string $( myElement ).updateTooltipAccessKeys()
tooltipAccessKeyRegexp object
updateTooltipAccessKeys function
ta object MediaWiki:Accesskey-* and MediaWiki:Tooltip-*.
akeytt function obsolete
checkboxes object

» jQuery.checkboxShiftClick

lastCheckbox object
setupCheckboxShiftClick function
addCheckboxClickHandlers function
checkboxClickHandler function
showTocToggle function
toggleToc function
ts_image_path string

» jquery.tablesorter

ts_image_up string
ts_image_down string
ts_image_none string
ts_europeandate boolean
ts_alternate_row_colors boolean
ts_number_transform_table object
ts_number_regex object
sortables_init function
ts_makeSortable function
ts_getInnerText function
ts_resortTable function
ts_initTransformTable function
ts_toLowerCase function
ts_dateToSortKey function
ts_parseFloat function
ts_currencyToSortKey function
ts_sort_generic function
ts_alternate function
changeText function

» jQuery

Using .text() one can get or set the text: 

// Set text of an earlier defined element
$( myElement ).text( 'New text!' );

// Set text for multiple elements at once
$( '.mw-userlink' ).text( 'Mr. Foobar' );

// Get the text of an element
$( myElement ).text();
getInnerText function
escapeQuotes function
escapeQuotesHTML function

» mediaWiki.html

addPortletLink function

» mediaWiki.util.addPortletLink

jsMsg function

» mediaWiki.util.jsMessage

injectSpinner function

» jquery.spinner (Documentation) 

jQuery( .. ).injectSpinner('some-id');

jQuery.removeSpinner('some-id');
removeSpinner function
getElementsByClassName function

» jQuery

Use the CSS Selector in jQuery to select elements by classname. Here examples for the three most common usecases of getElementsByClassName(): 

// Get everything with a classname
$( '.myclass' );

// Get all of element X (ie. table) with a classname
$( 'table.wikitable' );

// Get all of something within another element
$( myDomElement ).find( '.myclass' );
$( myDomElement ).find( '> .myclass' ); // only direct children

// Get all class-elements that are direct children of an element
$( '#someElement .myclass' );
$( '#someElement > .myclass' ); // only direct children
redirectToFragment function
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