diff --git a/compiler/testData/cli/js/jsExtraHelp.out b/compiler/testData/cli/js/jsExtraHelp.out
index 03bc63d0b88..3e7e3f6cd6b 100644
--- a/compiler/testData/cli/js/jsExtraHelp.out
+++ b/compiler/testData/cli/js/jsExtraHelp.out
@@ -18,6 +18,8 @@ where advanced options include:
   -Xir-produce-klib-dir      Generate unpacked KLIB into parent directory of output JS file.
                              In combination with -meta-info generates both IR and pre-IR versions of library.
   -Xir-produce-klib-file     Generate packed klib into file specified by -output. Disables pre-IR backend
+  -Xir-property-lazy-initialisation
+                             Perform lazy initialisation for properties
   -Xmetadata-only            Generate *.meta.js and *.kjsm files only
   -Xtyped-arrays             Translate primitive arrays to JS typed arrays
   -Xwasm                     Use experimental WebAssembly compiler backend
diff --git a/compiler/testData/codegen/box/properties/lazyInitialization.kt b/compiler/testData/codegen/box/properties/lazyInitialization.kt
index 580c55d101c..945b48e5932 100644
--- a/compiler/testData/codegen/box/properties/lazyInitialization.kt
+++ b/compiler/testData/codegen/box/properties/lazyInitialization.kt
@@ -1,5 +1,6 @@
 // IGNORE_BACKEND: JS, NATIVE
 // DONT_TARGET_EXACT_BACKEND: WASM
+// PROPERTY_LAZY_INITIALISATION
 
 // FILE: A.kt
 
diff --git a/compiler/testData/codegen/box/properties/lazyInitializationPure.kt b/compiler/testData/codegen/box/properties/lazyInitializationPure.kt
index d2b8f6ce631..7103b238896 100644
--- a/compiler/testData/codegen/box/properties/lazyInitializationPure.kt
+++ b/compiler/testData/codegen/box/properties/lazyInitializationPure.kt
@@ -1,4 +1,5 @@
 // TARGET_BACKEND: JS_IR
+// PROPERTY_LAZY_INITIALISATION
 
 // FILE: A.kt
 
diff --git a/compiler/testData/codegen/box/properties/sideEffectInTopLevelInitializerMultiModule.kt b/compiler/testData/codegen/box/properties/sideEffectInTopLevelInitializerMultiModule.kt
index 933630e9d26..318d2dfc66d 100644
--- a/compiler/testData/codegen/box/properties/sideEffectInTopLevelInitializerMultiModule.kt
+++ b/compiler/testData/codegen/box/properties/sideEffectInTopLevelInitializerMultiModule.kt
@@ -1,5 +1,5 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// IGNORE_BACKEND: JVM, JVM_IR, JS_IR
+// IGNORE_BACKEND: JVM, JVM_IR
 // IGNORE_LIGHT_ANALYSIS
 // MODULE: lib1
 // FILE: lib1.kt
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
index 96e3cf1ea64..c63fcd409eb 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/BasicBoxTest.kt
@@ -131,6 +131,8 @@ abstract class BasicBoxTest(
         val skipDceDriven = SKIP_DCE_DRIVEN.matcher(fileContent).find()
         val splitPerModule = SPLIT_PER_MODULE.matcher(fileContent).find()
 
+        val propertyLazyInitialization = PROPERTY_LAZY_INITIALISATION.matcher(fileContent).find()
+
         TestFileFactoryImpl(coroutinesPackage).use { testFactory ->
             val inputFiles = TestFiles.createTestFiles(
                 file.name,
@@ -172,9 +174,28 @@ abstract class BasicBoxTest(
                 val isMainModule = mainModuleName == module.name
                 generateJavaScriptFile(
                     testFactory.tmpDir,
-                    file.parent, module, outputFileName, dceOutputFileName, pirOutputFileName, dependencies, allDependencies, friends, modules.size > 1,
-                    !SKIP_SOURCEMAP_REMAPPING.matcher(fileContent).find(), outputPrefixFile, outputPostfixFile,
-                    actualMainCallParameters, testPackage, testFunction, needsFullIrRuntime, isMainModule, expectActualLinker, skipDceDriven, splitPerModule, errorPolicy
+                    file.parent,
+                    module,
+                    outputFileName,
+                    dceOutputFileName,
+                    pirOutputFileName,
+                    dependencies,
+                    allDependencies,
+                    friends,
+                    modules.size > 1,
+                    !SKIP_SOURCEMAP_REMAPPING.matcher(fileContent).find(),
+                    outputPrefixFile,
+                    outputPostfixFile,
+                    actualMainCallParameters,
+                    testPackage,
+                    testFunction,
+                    needsFullIrRuntime,
+                    isMainModule,
+                    expectActualLinker,
+                    skipDceDriven,
+                    splitPerModule,
+                    errorPolicy,
+                    propertyLazyInitialization
                 )
 
                 when {
@@ -398,7 +419,8 @@ abstract class BasicBoxTest(
         expectActualLinker: Boolean,
         skipDceDriven: Boolean,
         splitPerModule: Boolean,
-        errorIgnorancePolicy: ErrorTolerancePolicy
+        errorIgnorancePolicy: ErrorTolerancePolicy,
+        propertyLazyInitialisation: Boolean,
     ) {
         val kotlinFiles =  module.files.filter { it.fileName.endsWith(".kt") }
         val testFiles = kotlinFiles.map { it.fileName }
@@ -414,7 +436,19 @@ abstract class BasicBoxTest(
         val psiFiles = createPsiFiles(allSourceFiles.sortedBy { it.canonicalPath }.map { it.canonicalPath })
 
         val sourceDirs = (testFiles + additionalFiles).map { File(it).parent }.distinct()
-        val config = createConfig(sourceDirs, module, dependencies, allDependencies, friends, multiModule, tmpDir, incrementalData = null, expectActualLinker = expectActualLinker, errorIgnorancePolicy)
+        val config = createConfig(
+            sourceDirs,
+            module,
+            dependencies,
+            allDependencies,
+            friends,
+            multiModule,
+            tmpDir,
+            incrementalData = null,
+            expectActualLinker = expectActualLinker,
+            errorIgnorancePolicy,
+            propertyLazyInitialisation
+        )
         val outputFile = File(outputFileName)
         val dceOutputFile = File(dceOutputFileName)
         val pirOutputFile = File(pirOutputFileName)
@@ -469,7 +503,19 @@ abstract class BasicBoxTest(
                 .sortedBy { it.canonicalPath }
                 .map { sourceToTranslationUnit[it]!! }
 
-        val recompiledConfig = createConfig(sourceDirs, module, dependencies, allDependencies, friends, multiModule, tmpDir, incrementalData, expectActualLinker, ErrorTolerancePolicy.DEFAULT)
+        val recompiledConfig = createConfig(
+            sourceDirs,
+            module,
+            dependencies,
+            allDependencies,
+            friends,
+            multiModule,
+            tmpDir,
+            incrementalData,
+            expectActualLinker,
+            ErrorTolerancePolicy.DEFAULT,
+            propertyLazyInitialisation = false
+        )
         val recompiledOutputFile = File(outputFile.parentFile, outputFile.nameWithoutExtension + "-recompiled.js")
 
         translateFiles(
@@ -684,8 +730,17 @@ abstract class BasicBoxTest(
     private fun createPsiFiles(fileNames: List<String>): List<KtFile> = fileNames.map(this::createPsiFile)
 
     private fun createConfig(
-        sourceDirs: List<String>, module: TestModule, dependencies: List<String>, allDependencies: List<String>, friends: List<String>,
-        multiModule: Boolean, tmpDir: File, incrementalData: IncrementalData?, expectActualLinker: Boolean, errorIgnorancePolicy: ErrorTolerancePolicy
+        sourceDirs: List<String>,
+        module: TestModule,
+        dependencies: List<String>,
+        allDependencies: List<String>,
+        friends: List<String>,
+        multiModule: Boolean,
+        tmpDir: File,
+        incrementalData: IncrementalData?,
+        expectActualLinker: Boolean,
+        errorIgnorancePolicy: ErrorTolerancePolicy,
+        propertyLazyInitialisation: Boolean,
     ): JsConfig {
         val configuration = environment.configuration.copy()
 
@@ -709,6 +764,7 @@ abstract class BasicBoxTest(
         configuration.put(JSConfigurationKeys.MODULE_KIND, module.moduleKind)
         configuration.put(JSConfigurationKeys.TARGET, EcmaVersion.v5)
         configuration.put(JSConfigurationKeys.ERROR_TOLERANCE_POLICY, errorIgnorancePolicy)
+        configuration.put(JSConfigurationKeys.PROPERTY_LAZY_INITIALISATION, propertyLazyInitialisation)
 
         if (errorIgnorancePolicy.allowErrors) {
             configuration.put(JSConfigurationKeys.DEVELOPER_MODE, true)
@@ -942,6 +998,8 @@ abstract class BasicBoxTest(
 
         private val ERROR_POLICY_PATTERN = Pattern.compile("^// *ERROR_POLICY: *(.+)$", Pattern.MULTILINE)
 
+        private val PROPERTY_LAZY_INITIALISATION = Pattern.compile("^// *PROPERTY_LAZY_INITIALISATION *$", Pattern.MULTILINE)
+
         @JvmStatic
         protected val runTestInNashorn = getBoolean("kotlin.js.useNashorn")