diff --git a/twitch/bot/src/commands/js.rs b/twitch/bot/src/commands/js.rs
new file mode 100644
index 0000000..b16a77d
--- /dev/null
+++ b/twitch/bot/src/commands/js.rs
@@ -0,0 +1,47 @@
+//! js command
+//!
+//! usage: ```!js```
+//!
+//! author: Cathyprime
+
+use super::ChatCommand;
+use anyhow::anyhow;
+use rand::seq::SliceRandom;
+use tracing::{debug, error};
+
+pub struct MostlyJs {}
+
+impl ChatCommand for MostlyJs {
+    fn new() -> Self {
+        Self {}
+    }
+
+    fn names() -> Vec<String> {
+        vec!["js".to_string()]
+    }
+
+    fn help(&self) -> String {
+        "usage: !js".to_string()
+    }
+
+    fn handle(
+        &mut self,
+        api: &mut super::TwitchApiWrapper,
+        ctx: &twitcheventsub::MessageData,
+    ) -> anyhow::Result<()> {
+        let msgs = vec!["Undefined", "[object Object]", "x === y"];
+        let js = msgs.choose(&mut rand::thread_rng());
+        let msg = format!("\"{}\" does not exist", js.unwrap());
+
+        match api.send_chat_message_with_reply(&msg, Some(&ctx.message_id)) {
+            Ok(s) => {
+                debug!(reply = %s);
+                Ok(())
+            }
+            Err(e) => {
+                error!(error = ?e);
+                Err(anyhow!("{:?}", e))
+            }
+        }
+    }
+}
diff --git a/twitch/bot/src/commands/mod.rs b/twitch/bot/src/commands/mod.rs
index 111ebe6..3347e5d 100644
--- a/twitch/bot/src/commands/mod.rs
+++ b/twitch/bot/src/commands/mod.rs
@@ -29,6 +29,7 @@ pub mod tictactoe;
 pub mod uwu;
 pub mod vods;
 pub mod youtube;
+pub mod js;
 
 // ----------------------------------------------------------------------------
 
@@ -82,6 +83,7 @@ pub fn init() -> CommandMap {
     map.insert(uwu::MostlyUwU::new());
     map.insert(rewrite::MostlyRewrite::new());
     map.insert(tictactoe::TicTacToe::new());
+    map.insert(js::MostlyJs::new());
 
     // help is special
     let mut help = help::MostlyHelp::new();