From 374abc2c8015b9970062efa181307d20fe06eee4 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sun, 18 Sep 2022 09:42:19 -0400
Subject: add content/posts/2022-09-18-jqueries.md

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+---
+slug: jqueries
+title: "jQueries"
+date: "2022-09-18T06:50:05-04:00"
+draft: true
+
+pics:
+  jqueries:
+    css: "image"
+    tip: "jQueries: One page, every jQuery."
+    sources:
+      - "/files/posts/jqueries/jqueries.webp"
+      - src: "/files/posts/jqueries/jqueries.png"
+        width: 800
+        height: 355
+---
+Some people dislike [jQuery][] because it isn't really needed for
+modern browsers (see [You Might Not Need jQuery][]).
+
+Many older sites embed multiple versions of [jQuery][], often as a
+[transitive dependency][].
+
+I thought "wouldn't it be funny if there was a page that loaded *all*
+versions of [jQuery][]?".
+
+Behold:
+
+[{{< pe-figure "jqueries" >}}][jqueries]
+
+Notes:
+
+* Embeds every version of [jQuery][] from 1.2 to 3.6.1, including the
+  slim builds.
+* Each version of [jQuery][] animates it's own row.  See the [unminified
+  `script.js`][script.js] for details.
+* You may have trouble hosting [jQueries][] if you have a restrictive
+  [`Content-Security-Policy`][csp] ([like mine][min-csp]). In
+  particular, versions of [jQuery][] older than 1.4.0 will fail
+  to load.
+* Deliberately serves up old versions of [jQuery][] with known security
+  vulnerabilities.  Be careful where you host this.
+
+Source code, build instructions, and additional details are available in
+the [GitHub repository][repo].
+
+[jquery]: https://jquery.com/
+  "jQuery"
+[transitive dependency]: https://en.wikipedia.org/wiki/Transitive_dependency
+  "Dependency that is depended on indirectly by another dependency."
+[jqueries]: https://pablotron.github.io/jqueries/
+  "jQueries: A page which uses (almost) every version of jQuery"
+[you might not need jquery]: https://youmightnotneedjquery.com/
+  "You might not need jQuery."
+[script.js]: https://github.com/pablotron/jqueries/blob/main/public/js/script.js
+  "Unminified version of script.js."
+[csp]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
+  "Content-Security-Policy HTTP header."
+[min-csp]: {{< relref "posts/2021-10-25-the-nuclear-option-no-more-unsafe-inline.md" >}}
+  "Post about minimal Content-Security-Policy header on this site."
+[repo]: https://github.com/pablotron/jqueries
+  "jQueries GitHub repository."
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