Fix syntax errors

files/en-us/learn/server-side/express_nodejs/routes/index.md

@@ -203,11 +203,10 @@ exports.get("/about", async function (req, res, next) {
   try {
     const successfulResult = await About.find({}).exec();
     res.render("about_view", { title: "About", list: successfulResult });
-  }
-  catch (error) {
+  } catch (error) {
     return next(error);
   }
-};
+});
 ```
 
 That's quite a lot of boilerplate code to add to every function.

files/en-us/web/api/performanceeventtiming/interactionid/index.md

@@ -35,7 +35,7 @@ The following example collects event duration for all events corresponding to an
 
 ```js
 // The key is the interaction ID.
-let = eventLatencies = {};
+let eventLatencies = {};
 
 const observer = new PerformanceObserver((list) => {
   list.getEntries().forEach((entry) => {
@@ -44,15 +44,16 @@ const observer = new PerformanceObserver((list) => {
       if (!eventLatencies.has(interactionId)) {
         eventLatencies[interactionId] = [];
       }
-       eventLatencies[interactionId].push(entry.duration);
+      eventLatencies[interactionId].push(entry.duration);
+    }
   });
 });
 
-observer.observe({type: "event", buffered: true});
+observer.observe({ type: "event", buffered: true });
 
 // Log events with maximum event duration for a user interaction
 Object.entries(eventLatencies).forEach(([k, v]) => {
-    console.log(Math.max(...v));
+  console.log(Math.max(...v));
 });
 ```
 

files/en-us/web/api/publickeycredential/getclientextensionresults/index.md

@@ -38,14 +38,14 @@ A {{jsxref("Map", "map")}}, with each entry being an extensions' identifier stri
 const publicKey = {
   // Here are the extension "inputs"
   extensions: {
-    appid: "https://accounts.example.com"
+    appid: "https://accounts.example.com",
   },
   allowCredentials: {
     id: "fgrt46jfgd...",
-    transports: ["usb", "nfc"]
-    type: "public-key"
+    transports: ["usb", "nfc"],
+    type: "public-key",
   },
-  challenge: new Uint8Array(16) /* from the server */
+  challenge: new Uint8Array(16) /* from the server */,
 };
 
 navigator.credentials

files/en-us/web/api/request/signal/index.md

@@ -21,7 +21,7 @@ An {{DOMxRef("AbortSignal")}} object.
 const controller = new AbortController();
 
 // Create a request with this controller's AbortSignal object
-const req = new Request('/', { signal: controller.signal });
+const req = new Request("/", { signal: controller.signal });
 
 // Add an event handler logging a message in case of abort
 req.signal.addEventListener("abort", () => {
@@ -39,7 +39,7 @@ fetch(req).catch(() => {
   } else {
     console.log("Request not aborted, but terminated abnormally.");
   }
-};
+});
 
 // Actually abort the request
 controller.abort();

files/en-us/web/api/rtcsctptransport/maxmessagesize/index.md

@@ -34,10 +34,11 @@ const peerConnection = new RTCPeerConnection(options);
 const channel = peerConnection.createDataChannel("chat");
 channel.onopen = (event) => {
   const maximumMessageSize = peerConnection.sctp.maxMessageSize;
-  const textToSend = "This is my possibly overly long string!"
-  splitStringToMax(textToSend,maximumMessageSize).forEach( (elem) => {
-  channel.send(elem);
-});
+  const textToSend = "This is my possibly overly long string!";
+  splitStringToMax(textToSend, maximumMessageSize).forEach((elem) => {
+    channel.send(elem);
+  });
+};
 ```
 
 ## Specifications

files/en-us/web/api/webtransport/createbidirectionalstream/index.md

@@ -70,7 +70,7 @@ async function setUpBidirectional() {
   // stream.writable is a WritableStream
   const writable = stream.writable;
 
-  ...
+  // ...
 }
 ```
 

files/en-us/web/media/autoplay_guide/index.md

@@ -90,7 +90,7 @@ if (navigator.getAutoplayPolicy("mediaelement") === "allowed") {
 } else if (navigator.getAutoplayPolicy("mediaelement") === "allowed-muted") {
   // Mute audio on video
   video.muted = true;
-} else (navigator.getAutoplayPolicy("mediaelement") === "disallowed") {
+} else if (navigator.getAutoplayPolicy("mediaelement") === "disallowed") {
   // Set a default placeholder image.
   video.poster = "http://example.com/poster_image_url";
 }
@@ -105,7 +105,7 @@ if (navigator.getAutoplayPolicy(video) === "allowed") {
 } else if (navigator.getAutoplayPolicy(video) === "allowed-muted") {
   // Mute audio on video
   video.muted = true;
-} else (navigator.getAutoplayPolicy(video) === "disallowed") {
+} else if (navigator.getAutoplayPolicy(video) === "disallowed") {
   // Set a default placeholder image.
   video.poster = "http://example.com/poster_image_url";
 }