diff --git a/src/browser/dom/mutation_observer.zig b/src/browser/dom/mutation_observer.zig
index e5718aa8..d0906964 100644
--- a/src/browser/dom/mutation_observer.zig
+++ b/src/browser/dom/mutation_observer.zig
@@ -55,7 +55,7 @@ pub const MutationObserver = struct {
             .connected = true,
             .scheduled = false,
             .arena = page.arena,
-            .loop_node = .{.func = callback},
+            .loop_node = .{ .func = callback },
         };
     }
 
@@ -227,7 +227,12 @@ const Observer = struct {
 
     event_node: parser.EventNode,
 
-    fn appliesTo(self: *const Observer, target: *parser.Node, event_type: MutationEventType, event: *parser.MutationEvent,) !bool {
+    fn appliesTo(
+        self: *const Observer,
+        target: *parser.Node,
+        event_type: MutationEventType,
+        event: *parser.MutationEvent,
+    ) !bool {
         if (event_type == .DOMAttrModified and self.options.attributeFilter.len > 0) {
             const attribute_name = try parser.mutationEventAttributeName(event);
             for (self.options.attributeFilter) |needle| blk: {
@@ -366,9 +371,10 @@ test "Browser.DOM.MutationObserver" {
             \\ document.firstElementChild.setAttribute("foo", "bar");
             \\ // ignored b/c it's about another target.
             \\ document.firstElementChild.firstChild.setAttribute("foo", "bar");
-            ,null
+            ,
+            null,
         },
-        .{ "nb", "1"},
+        .{ "nb", "1" },
         .{ "mrs[0].type", "attributes" },
         .{ "mrs[0].target == document.firstElementChild", "true" },
         .{ "mrs[0].target.getAttribute('foo')", "bar" },
@@ -386,9 +392,10 @@ test "Browser.DOM.MutationObserver" {
             \\     nb2++;
             \\ }).observe(node, { characterData: true, characterDataOldValue: true });
             \\ node.data = "foo";
-            , null
+            ,
+            null,
         },
-        .{ "nb2", "1"},
+        .{ "nb2", "1" },
         .{ "mrs2[0].type", "characterData" },
         .{ "mrs2[0].target == node", "true" },
         .{ "mrs2[0].target.data", "foo" },
@@ -405,9 +412,10 @@ test "Browser.DOM.MutationObserver" {
             \\     node.innerText = 'a';
             \\ }).observe(document, { subtree:true,childList:true });
             \\ node.innerText = "2";
-            , null
+            ,
+            null,
         },
-        .{"node.innerText", "a"},
+        .{ "node.innerText", "a" },
     }, .{});
 
     try runner.testCases(&.{
@@ -418,10 +426,11 @@ test "Browser.DOM.MutationObserver" {
             \\     attrWatch++;
             \\ }).observe(document, { attributeFilter: ["name"], subtree: true });
             \\ node.setAttribute("id", "1");
-            , null
+            ,
+            null,
         },
-        .{"attrWatch", "0"},
-        .{ "node.setAttribute('name', 'other');", null},
-        .{ "attrWatch", "1"},
+        .{ "attrWatch", "0" },
+        .{ "node.setAttribute('name', 'other');", null },
+        .{ "attrWatch", "1" },
     }, .{});
 }
diff --git a/src/browser/events/event.zig b/src/browser/events/event.zig
index 417f5c69..f8e4d8c9 100644
--- a/src/browser/events/event.zig
+++ b/src/browser/events/event.zig
@@ -215,7 +215,7 @@ pub const EventHandler = struct {
                 .typ = try allocator.dupe(u8, typ),
                 .signal_target = signal_target,
                 .signal_listener = undefined,
-                .node = .{.func = SignalCallback.handle },
+                .node = .{ .func = SignalCallback.handle },
             };
 
             scb.signal_listener = try parser.eventTargetAddEventListener(
@@ -285,7 +285,7 @@ const SignalCallback = struct {
     typ: []const u8,
     capture: bool,
     callback_id: usize,
-    node : parser.EventNode,
+    node: parser.EventNode,
     target: *parser.EventTarget,
     signal_target: *parser.EventTarget,
     signal_listener: *parser.EventListener,
@@ -435,11 +435,11 @@ test "Browser.Event" {
 
     try runner.testCases(&.{
         .{ "nb = 0; function cbk(event) { nb ++; }", null },
-        .{ "let ac = new AbortController()", null},
+        .{ "let ac = new AbortController()", null },
         .{ "document.addEventListener('count', cbk, {signal: ac.signal})", null },
         .{ "document.dispatchEvent(new Event('count'))", "true" },
         .{ "document.dispatchEvent(new Event('count'))", "true" },
-        .{ "ac.abort()", null},
+        .{ "ac.abort()", null },
         .{ "document.dispatchEvent(new Event('count'))", "true" },
         .{ "nb", "2" },
         .{ "document.removeEventListener('count', cbk)", "undefined" },
diff --git a/src/runtime/js.zig b/src/runtime/js.zig
index 5c97a124..2ca9cb6d 100644
--- a/src/runtime/js.zig
+++ b/src/runtime/js.zig
@@ -3420,7 +3420,7 @@ fn valueToDetailString(arena: Allocator, value: v8.Value, isolate: v8.Isolate, v
             if (debugValueToString(arena, value.castTo(v8.Object), isolate, v8_context)) |ds| {
                 return ds;
             } else |err| {
-                log.err(.js, "debug serialize value", .{.err = err});
+                log.err(.js, "debug serialize value", .{ .err = err });
             }
         }
     }