From cc53fec08d43f25f842d6e925de1e386da943fae Mon Sep 17 00:00:00 2001
From: Muki Kiboigo <muki@muki.gg>
Date: Mon, 8 Dec 2025 05:16:47 -0800
Subject: [PATCH] backport run microtasks before firing onload

---
 src/browser/Page.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/browser/Page.zig b/src/browser/Page.zig
index b4d4ee2e..2cdf6351 100644
--- a/src/browser/Page.zig
+++ b/src/browser/Page.zig
@@ -422,6 +422,9 @@ pub fn documentIsComplete(self: *Page) void {
 fn _documentIsComplete(self: *Page) !void {
     self.document._ready_state = .complete;
 
+    self._session.browser.runMicrotasks();
+    self._session.browser.runMessageLoop();
+
     // dispatch window.load event
     const event = try Event.init("load", .{}, self);
     // this event is weird, it's dispatched directly on the window, but