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+#+title: How to Easily Mass Unlike Tumblr Posts with Javascript
+#+date: 2023-01-05
+#+description: Learn how to unlike Tumblr posts en masse in the browser.
+#+filetags: :dev:
+
+* The Dilemma
+The dilemma I had was pretty simple: I wanted to unlike all the posts I
+have liked on Tumblr so that I could follow a new focus on blogs and
+start fresh. Otherwise, Tumblr will keep recommending content based on
+your previous likes.
+
+* The Solution
+I searched the web for a while and noted that most solutions referenced
+Tumblr setting and dashboard pages that no longer exist. Additionally, I
+did not want to install a third party extension to do this, as some
+suggested.
+
+Luckily, I used Javascript for a while a few years ago and figured it
+would be easy enough to script a solution, as long as Tumblr had a
+system for the unlike buttons.
+
+** Identifying Unlike Buttons
+Tumblr's unlike buttons are structured as you can see in the following
+code block. All unlike buttons have an =aria-label= with a value of
+=Unlike=.
+
+#+begin_src html
+<button class="TRX6J" aria-label="Unlike">
+  <span class="EvhBA B1Z5w ztpfZ" tabindex="-1">
+    <svg xmlns="http://www.w3.org/2000/svg" height="21" width="23" 
+    role="presentation">
+      <use href="#managed-icon__like-filled"></use>
+    </svg>
+  </span>
+</button>
+#+end_src
+
+** Running a Script to Unlike All Likes
+To run this script, you will need to load the
+[[https://www.tumblr.com/likes][Likes | Tumblr]] page while logged in to
+your account.
+
+Further, be sure to scroll down to the bottom and force Tumblr to load
+more posts so that this script unlikes more posts at a time.
+
+Once you are logged in and the page is loaded, open the Developer Tools
+and be sure you're on the "Console" tab. It should look something like
+this (this is in Firefox, Chromium should be similar):
+
+#+caption: Firefox Dev !Tools
+[[https:///img.cleberg.net/blog/20230105-mass-unlike-tumblr-posts/dev_console.png]]
+
+All you need to do is paste the following snippet into the dev console.
+This code will collect all unlike buttons (=elements=) and then click
+each button to unlike it.
+
+Optionally, you can comment-out the line =elements[i].click();= and
+uncomment the =console.log()= lines to simply print out information
+without performing any actions. This can be useful to debug issues or
+confirm that the code below isn't doing anything you don't want it to.
+
+#+begin_src javascript
+const elements = document.querySelectorAll('[aria-label="Unlike"]');
+// console.log(elements); // 👉 [button]
+ 
+for (let i=0; i < elements.length; i++) {
+  // console.log(elements[i]);
+  elements[i].click();
+} 
+#+end_src
+
+* Results
+The results were quick for my situation, as it unliked ~200 posts within
+2-3 seconds. I am not sure how this will perform on larger sets of likes
+(or if Tumblr has a limit to unliking posts).
+
+You can see the below screenshot showing that I pasted the snippet into
+the console, pressed Enter, and then the posts are automatically
+unliked.
+
+#+caption: Script !Results
+[[https:///img.cleberg.net/blog/20230105-mass-unlike-tumblr-posts/script_results.png]]
+
+Thinking about this further, I would bet that this would be fairly
+simple to package into a browser add-on so that users could install the
+add-on, go to their Likes page, and click a button to run the script.
+Food for thought.