Dark Wikipedia - Userscript for iOS & macOS Safari

Dark Wikipedia.js

// ==UserScript==
// @name        Dark Wikipedia
// @description Darkens Wikipedia on iOS & macOS Safari, for use with https://github.com/quoid/userscripts
// @match       https://en.m.wikipedia.org/*
// @match       https://en.wikipedia.org/*
// @updateURL   
// @version 1.3
// ==/UserScript==

function darkenChrome() {
    let metas = document.getElementsByTagName('meta');
    for (let i=0; i<metas.length;i++) {
        console.log(metas[i].attributes.name);
        let meta = metas[i];
        let attrs = meta.attributes;
        if (attrs.name && attrs.name.value === "theme-color") {
            attrs.content.value = "#000"
        }
    }
}

function injectCSS(css) {
    let style = document.createElement('style');
    let head = document.getElementsByTagName('head')[0]
    style.textContent = css;
    head.appendChild(style);
}

let bg = 'background: black;'
let fg = 'color: white';
let a = 'color: cornflowerblue;'
darkenChrome();
injectCSS(`
#mw-page-base { ${bg+fg} }
body { ${bg+fg} }
.vector-menu-portal .vector-menu-content li a { ${a} }
.header-container.header-chrome { ${bg+fg} }
.mw-body { ${bg+fg} }
.content .infobox { ${bg} }
.minerva-footer { ${bg+fg} }
.mw-parser-output #mp-topbanner { ${bg+fg} }
h1, h2, h3, h4, h5, h6 { ${fg} }
a,a:visited { ${a} }
div.thumbinner { ${bg} }
.toc, .toccolours { ${bg+fg} }
.tocnumber { ${fg} }
table.ambox { ${bg} }
`);