a === b -> identical(a, b)

samples/third_party/dromaeo/tests/dom-traverse-html.dart

Index: samples/third_party/dromaeo/tests/dom-traverse-html.dart
diff --git a/samples/third_party/dromaeo/tests/dom-traverse-html.dart b/samples/third_party/dromaeo/tests/dom-traverse-html.dart
index 916aa0ae78319ce910cc30d47187473ade86015c..c9d32a3134b914c9d5bb9cae84a57a5659c489d1 100644
--- a/samples/third_party/dromaeo/tests/dom-traverse-html.dart
+++ b/samples/third_party/dromaeo/tests/dom-traverse-html.dart
@@ -38,7 +38,7 @@ void main() {
       for (int i = 0; i < num; i++) {
         for (int j = 0; j < nl; j++) {
           Node cur = nodes[j];
-          while (cur !== null) {
+          while (cur != null) {
             cur = cur.$dom_firstChild;
           }
           ret = cur;
@@ -52,7 +52,7 @@ void main() {
       for (int i = 0; i < num; i++) {
         for (int j = 0; j < nl; j++) {
           Node cur = nodes[j];
-          while (cur !== null) {
+          while (cur != null) {
             cur = cur.$dom_lastChild;
           }
           ret = cur;
@@ -62,7 +62,7 @@ void main() {
     .test('nextSibling', () {
       for (int i = 0; i < num * 2; i++) {
         Node cur = document.body.$dom_firstChild;
-        while (cur !== null) {
+        while (cur != null) {
           cur = cur.nextNode;
         }
         ret = cur;
@@ -71,7 +71,7 @@ void main() {
     .test('previousSibling', () {
       for (int i = 0; i < num * 2; i++) {
         Node cur = document.body.$dom_lastChild;
-        while (cur !== null) {
+        while (cur != null) {
           cur = cur.previousNode;
         }
         ret = cur;