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DupImageList

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DupImageList is a JavaScript application that lists duplicate images on a wiki.

  • Original version was courtesy of "pcj" of wowpedia.org.

Installation

See also: Help:JavaScript and CSS Cheatsheet, Help:Including additional JavaScript and CSS
dev:DupImageList/code.js
  • For personal use, add the code snippet below to your global.js page (for use on all wikis) or your common.js page on your wiki (for use on a single wiki).
importArticles({
    type: 'script',
    articles: [
        'u:dev:DupImageList/code.js',
    ]
});
importArticles — Best Practices for installing JavaScript on Fandom
The importArticles statement is designed to combine multiple HTTP requests into a single data transfer, allowing multiple scripts to load and execute faster. If you've been installing several different scripts, your JavaScript file has probably accumulated unnecessary import statements. Click "Expand" to learn how to efficiently batch import scripts to speed up performance and make your code look cleaner. One other approach is by using the MediaWiki:ImportJS.
If your JavaScript file has several lines of code that say importScript, importScriptPage, or importArticles, you may be able to combine them! By batch importing a collection of scripts with a single import, your JavaScript code will load faster and look cleaner. Consider the example below. On the left is an example of what your JavaScript file might currently look like. On the right is how you could improve that code.
Multiple imports — messy and slow One import — clean and efficient
importScriptPage('AjaxRC/code.js','dev');
 
importScript('MediaWiki:localScript.js');
 
importArticle({
  type: 'script',
  article: 'u:dev:FloatingToc/code.js'
});
 
importScriptPage('page1.js', 'wikiname');
 
importScriptPage('page2.js', 'wikiname');
importArticles({
    type: 'script',
    articles: [
        'u:dev:AjaxRC/code.js',
        'MediaWiki:localScript.js',
        'u:dev:FloatingToc/code.js',
        'u:wikiname:page1.js',
        'u:wikiname:page2.js'
    ]
});
Note: In this example, pay close attention to the placement of commas and other punctuation. For people who aren't familiar with programming (and even those who are!), a common mistake when writing code is to accidentally delete, forget, or misplace critical symbols like commas or quotation marks. This can cause a syntax error that breaks the code. Carefully follow the convention shown here when using importArticles.
But there's much more to importArticles than just this! For more examples and advanced usage, see the help page at Help:Including additional JavaScript and CSS.

Use

This application looks for an HTML element (usually a <div>) with the ID mw-dupimages on the page. If it doesn't find it, it exits. If it finds it, it runs. So, for example, add

<div id="mw-dupimages"></div>

to the page where you want it to run. (See WoWWiki:Duplicate images for an example.) When it runs, it displays a spinner and lists the duplicate images on the local wiki, if there are any.

Start a Discussion Discussions about DupImageList

  • DupImageList review

    16 messages
    • Cqm
      I can't see where the current code is right now, is there a link I'm missing? As far as the code style goes, I'd be inclined to ...
    • I incorporated the changes into the live version a few weeks ago. I intended for this review just to fix bugs, because the previous version ...

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