diff --git a/js/js.translator/testData/box/dynamic/iterator.kt b/js/js.translator/testData/box/dynamic/iterator.kt
index 6ab95117ba2..3b59121b239 100644
--- a/js/js.translator/testData/box/dynamic/iterator.kt
+++ b/js/js.translator/testData/box/dynamic/iterator.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // KJS_WITH_FULL_RUNTIME
 // EXPECTED_REACHABLE_NODES: 1556
 package foo
diff --git a/libraries/stdlib/js-v1/src/kotlin/currentBeMisc.kt b/libraries/stdlib/js-v1/src/kotlin/currentBeMisc.kt
index 76d90a53708..44a23ca119e 100644
--- a/libraries/stdlib/js-v1/src/kotlin/currentBeMisc.kt
+++ b/libraries/stdlib/js-v1/src/kotlin/currentBeMisc.kt
@@ -9,4 +9,6 @@ package kotlin.js
 // Used for js.translator/testData/box/number/mulInt32.kt
 @library
 @JsName("imulEmulated")
-internal fun imul(x: Int, y: Int): Int = definedExternally
\ No newline at end of file
+internal fun imul(x: Int, y: Int): Int = definedExternally
+
+internal inline fun isArrayish(o: dynamic) = js("Kotlin").isArrayish(o)
\ No newline at end of file
diff --git a/libraries/stdlib/js/src/kotlin/collections/ArraysJs.kt b/libraries/stdlib/js/src/kotlin/collections/ArraysJs.kt
index 3bdab90ae4e..8e7f2bb347d 100644
--- a/libraries/stdlib/js/src/kotlin/collections/ArraysJs.kt
+++ b/libraries/stdlib/js/src/kotlin/collections/ArraysJs.kt
@@ -14,7 +14,7 @@ internal fun <T> Array<out T>.contentDeepHashCodeImpl(): Int {
     for (element in this) {
         val elementHash = when {
             element == null -> 0
-            js("Kotlin").isArrayish(element) -> (element.unsafeCast<Array<*>>()).contentDeepHashCodeImpl()
+            isArrayish(element) -> (element.unsafeCast<Array<*>>()).contentDeepHashCodeImpl()
 
             element is UByteArray   -> element.contentHashCode()
             element is UShortArray  -> element.contentHashCode()
diff --git a/libraries/stdlib/js/src/kotlin/dynamic.kt b/libraries/stdlib/js/src/kotlin/dynamic.kt
index 600dd0e6216..58f66459397 100644
--- a/libraries/stdlib/js/src/kotlin/dynamic.kt
+++ b/libraries/stdlib/js/src/kotlin/dynamic.kt
@@ -38,7 +38,7 @@ public operator fun dynamic.iterator(): Iterator<dynamic> {
     return when {
         this["iterator"] != null ->
             this["iterator"]()
-        js("Kotlin").isArrayish(r) ->
+        isArrayish(r) ->
             r.unsafeCast<Array<*>>().iterator()
 
         else ->