User:Jltml/vector.js

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This code will be executed when previewing this page.

The accompanying .css page for this skin is at User:Jltml/vector.css.

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var cssId = 'myCss';  // you could encode the css path itself to generate id..
if (!document.getElementById(cssId))
{
    var head  = document.getElementsByTagName('head')[0];
    var link  = document.createElement('link');
    link.id   = cssId;
    link.rel  = 'stylesheet';
    link.type = 'text/css';
    link.href = '//raw.githubusercontent.com/jltml/wikipedia-darkmode/master/darkmode.css';
    link.media = 'all';
    head.appendChild(link);
}