diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index 2e0053338fd..8262d17e394 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -267,6 +267,10 @@ EM_BOOL OS_JavaScript::keydown_callback(int p_event_type, const EmscriptenKeyboa
 		return false;
 	}
 	os->input->parse_input_event(ev);
+
+	// Make sure to flush all events so we can call restricted APIs inside the event.
+	os->input->flush_buffered_events();
+
 	// Resume audio context after input in case autoplay was denied.
 	os->resume_audio();
 	return true;
@@ -276,13 +280,22 @@ EM_BOOL OS_JavaScript::keypress_callback(int p_event_type, const EmscriptenKeybo
 	OS_JavaScript *os = get_singleton();
 	os->deferred_key_event->set_unicode(p_event->charCode);
 	os->input->parse_input_event(os->deferred_key_event);
+
+	// Make sure to flush all events so we can call restricted APIs inside the event.
+	os->input->flush_buffered_events();
+
 	return true;
 }
 
 EM_BOOL OS_JavaScript::keyup_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
+	OS_JavaScript *os = get_singleton();
 	Ref<InputEventKey> ev = setup_key_event(p_event);
 	ev->set_pressed(false);
-	get_singleton()->input->parse_input_event(ev);
+	os->input->parse_input_event(ev);
+
+	// Make sure to flush all events so we can call restricted APIs inside the event.
+	os->input->flush_buffered_events();
+
 	return ev->get_scancode() != KEY_UNKNOWN && ev->get_scancode() != 0;
 }
 
@@ -363,8 +376,13 @@ EM_BOOL OS_JavaScript::mouse_button_callback(int p_event_type, const EmscriptenM
 	ev->set_button_mask(mask);
 
 	os->input->parse_input_event(ev);
+
+	// Make sure to flush all events so we can call restricted APIs inside the event.
+	os->input->flush_buffered_events();
+
 	// Resume audio context after input in case autoplay was denied.
 	os->resume_audio();
+
 	// Prevent multi-click text selection and wheel-click scrolling anchor.
 	// Context menu is prevented through contextmenu event.
 	return true;
@@ -629,6 +647,10 @@ EM_BOOL OS_JavaScript::touch_press_callback(int p_event_type, const EmscriptenTo
 
 		os->input->parse_input_event(ev);
 	}
+
+	// Make sure to flush all events so we can call restricted APIs inside the event.
+	os->input->flush_buffered_events();
+
 	// Resume audio context after input in case autoplay was denied.
 	os->resume_audio();
 	return true;
@@ -954,6 +976,8 @@ bool OS_JavaScript::main_loop_iterate() {
 		godot_js_os_fs_sync(&OS_JavaScript::fs_sync_callback);
 	}
 
+	input->flush_buffered_events();
+
 	if (godot_js_display_gamepad_sample() == OK)
 		process_joypads();