fix newly introduced syntax errors

files/en-us/web/api/vrpose/angularvelocity/index.md

@@ -46,7 +46,7 @@ function drawVRScene() {
   const avz = angVel[2];
 
   // render the scene
-  …
+  // …
 
   // WebVR: submit the rendered frame to the VR display
   vrDisplay.submitFrame();

files/en-us/web/api/web_audio_api/using_iir_filters/index.md

@@ -98,6 +98,7 @@ playButton.addEventListener('click', function() {
     if (this.dataset.playing === 'false') {
         srcNode = playSourceNode(audioCtx, sample);
         // …
+    }
 }, false);
 ```
 
@@ -115,6 +116,7 @@ filterButton.addEventListener('click', function() {
         srcNode.disconnect(audioCtx.destination);
         srcNode.connect(iirfilter).connect(audioCtx.destination);
         // …
+    }
 }, false);
 ```
 

files/en-us/web/api/webgl_api/tutorial/using_shaders_to_apply_color_in_webgl/index.md

@@ -100,6 +100,7 @@ Next, it's necessary to add code to look up the attribute location for the color
       vertexColor: gl.getAttribLocation(shaderProgram, 'aVertexColor'),
     },
     // …
+  }
 ```
 
 Then, `drawScene()` can have the following added to it so it actually uses these colors when drawing the square:

files/en-us/web/api/webgl_multi_draw/index.md

@@ -89,13 +89,14 @@ and [`ext.multiDrawArraysInstancedWEBGL()`](/en-US/docs/Web/API/WEBGL_multi_draw
 const firsts = new Int32Array(/* … */);
 const counts = new Int32Array(/* … */);
 ext.multiDrawArraysWEBGL(gl.TRIANGLES, firsts, 0, counts, 0, firsts.length);
+```
 
+```js
 // multiDrawArraysInstanced variant
 const firsts = new Int32Array(/* … */);
 const counts = new Int32Array(/* … */);
 const instanceCounts = new Int32Array(/* … */);
-ext.multiDrawArraysInstancedWEBGL(
-  gl.TRIANGLES, firsts, 0, counts, 0, instanceCounts, 0, firsts.length);
+ext.multiDrawArraysInstancedWEBGL(gl.TRIANGLES, firsts, 0, counts, 0, instanceCounts, 0, firsts.length);
 ```
 
 ### Drawing multiple elements
@@ -111,7 +112,9 @@ Assumes that the indices which have been previously uploaded to the
 const counts = new Int32Array(/* … */);
 const offsets = new Int32Array(/* … */);
 ext.multiDrawElementsWEBGL(gl.TRIANGLES, counts, 0, gl.UNSIGNED_SHORT, offsets, 0, counts.length);
+```
 
+```js
 // multiDrawElementsInstanced variant
 const counts = new Int32Array(/* … */);
 const offsets = new Int32Array(/* … */);

files/en-us/web/api/window/showsavefilepicker/index.md

@@ -62,7 +62,7 @@ A {{jsxref("Promise")}} whose fulfillment handler receives a {{domxref('FileSyst
 The following function shows a file picker, with text files highlighted for selection.
 
 ```js
-function getNewFileHandle() {
+async function getNewFileHandle() {
   const opts = {
     types: [{
       description: 'Text file',