diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrElementToJsExpressionTransformer.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrElementToJsExpressionTransformer.kt
index 6a6ba337354..693a479daa7 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrElementToJsExpressionTransformer.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrElementToJsExpressionTransformer.kt
@@ -44,11 +44,13 @@ class IrElementToJsExpressionTransformer : BaseIrElementToJsNodeTransformer<JsEx
             is IrConstKind.Int -> JsIntLiteral(kind.valueOf(expression))
             is IrConstKind.Long -> throw IllegalStateException("Long const should have been lowered at this point")
             is IrConstKind.Char -> throw IllegalStateException("Char const should have been lowered at this point")
-            is IrConstKind.Float -> JsDoubleLiteral(kind.valueOf(expression).toDouble())
+            is IrConstKind.Float -> JsDoubleLiteral(toDoubleConst(kind.valueOf(expression)))
             is IrConstKind.Double -> JsDoubleLiteral(kind.valueOf(expression))
         }
     }
 
+    private fun toDoubleConst(f: Float) = if (f.isInfinite() || f.isNaN()) f.toDouble() else f.toString().toDouble()
+
     override fun visitStringConcatenation(expression: IrStringConcatenation, context: JsGenerationContext): JsExpression {
         // TODO revisit
         return expression.arguments.fold<IrExpression, JsExpression>(JsStringLiteral("")) { jsExpr, irExpr ->
diff --git a/compiler/testData/codegen/box/constants/float.kt b/compiler/testData/codegen/box/constants/float.kt
index 21f1e177099..5c60d382df1 100644
--- a/compiler/testData/codegen/box/constants/float.kt
+++ b/compiler/testData/codegen/box/constants/float.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 fun box(): String {
     if (1F != 1.toFloat()) return "fail 1"
     if (1.0F != 1.0.toFloat()) return "fail 2"
diff --git a/compiler/testData/codegen/box/controlStructures/forInArray/forInArraySpecializedToUntil.kt b/compiler/testData/codegen/box/controlStructures/forInArray/forInArraySpecializedToUntil.kt
index fe1b8ff2934..29235120da1 100644
--- a/compiler/testData/codegen/box/controlStructures/forInArray/forInArraySpecializedToUntil.kt
+++ b/compiler/testData/codegen/box/controlStructures/forInArray/forInArraySpecializedToUntil.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND: JS
+// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 fun checkByteArray(): Boolean {
diff --git a/compiler/testData/codegen/box/strings/constInStringTemplate.kt b/compiler/testData/codegen/box/strings/constInStringTemplate.kt
index 0da17a80a02..5595599889d 100644
--- a/compiler/testData/codegen/box/strings/constInStringTemplate.kt
+++ b/compiler/testData/codegen/box/strings/constInStringTemplate.kt
@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 // WITH_RUNTIME
 
 import kotlin.test.assertEquals