From 4b4249c009f82afaa29d717f9961f991414cb023 Mon Sep 17 00:00:00 2001
From: Michael <maykelchiche@gmail.com>
Date: Sat, 19 Nov 2016 01:26:38 +0100
Subject: [PATCH] fix: use strict equality in scheduleQueueDrain (#504)

---
 lib/zone.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/zone.ts b/lib/zone.ts
index ff5f10a07..07eb7171a 100644
--- a/lib/zone.ts
+++ b/lib/zone.ts
@@ -962,7 +962,7 @@ const Zone: ZoneType = (function(global: any) {
   function scheduleQueueDrain() {
     // if we are not running in any task, and there has not been anything scheduled
     // we must bootstrap the initial task creation by manually scheduling the drain
-    if (_numberOfNestedTaskFrames == 0 && _microTaskQueue.length == 0) {
+    if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {
       // We are not running in Task, so we need to kickstart the microtask queue.
       if (global[symbolPromise]) {
         global[symbolPromise].resolve(0)[symbolThen](drainMicroTaskQueue);