diff --git a/README.md b/README.md
index 4dc0706..6c960ff 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ The default helper is Playwright.
 
 ## Playwright
 
-Use `codecept.conf.ts` to run tests with Playwright:
+Use `codecept.conf.js` to run tests with Playwright:
 
 ```
 npx codeceptjs run --steps
diff --git a/codecept.conf.ts b/codecept.conf.js
similarity index 69%
rename from codecept.conf.ts
rename to codecept.conf.js
index be584a3..5e5ad44 100644
--- a/codecept.conf.ts
+++ b/codecept.conf.js
@@ -3,7 +3,7 @@ const { setHeadlessWhen } = require('@codeceptjs/configure');
 setHeadlessWhen(process.env.HEADLESS);
 
 exports.config = {
-  tests: './todomvc-tests/**/*_test.ts',
+  tests: './todomvc-tests/**/*_test.js',
   output: './output',
   helpers: {
     Playwright: {
@@ -15,19 +15,19 @@ exports.config = {
     REST: {},
 
     CustomHelper: {
-      require: './todomvc-tests/helpers/custom.helper.ts'
+      require: './todomvc-tests/helpers/custom.helper.js'
     }
   },
 
   gherkin: {
     features: './todomvc-tests/features/*.feature',
     steps: [
-      './todomvc-tests/step-definitions/create-todos.steps.ts'
+      './todomvc-tests/step-definitions/create-todos.steps.js'
     ]
   },
 
   include: {
-    TodosPage: './todomvc-tests/pages/todos.page.ts'
+    TodosPage: './todomvc-tests/pages/todos.page.js'
   },
   bootstrap: null,
   mocha: {},
diff --git a/codecept.puppeteer.conf.js b/codecept.puppeteer.conf.js
index 9d6a528..2b29013 100644
--- a/codecept.puppeteer.conf.js
+++ b/codecept.puppeteer.conf.js
@@ -17,19 +17,19 @@ exports.config = {
     REST: {},
 
     CustomHelper: {
-      require: './todomvc-tests/helpers/custom.helper.ts'
+      require: './todomvc-tests/helpers/custom.helper.js'
     }
   },
 
   gherkin: {
     features: './todomvc-tests/features/*.feature',
     steps: [
-      './todomvc-tests/step-definitions/create-todos.steps.ts'
+      './todomvc-tests/step-definitions/create-todos.steps.js'
     ]
   },
 
   include: {
-    TodosPage: './todomvc-tests/pages/todos.page.ts'
+    TodosPage: './todomvc-tests/pages/todos.page.js'
   },
   bootstrap: null,
   mocha: {},
diff --git a/codecept.testcafe.conf.js b/codecept.testcafe.conf.js
index 54359de..ab59c1a 100644
--- a/codecept.testcafe.conf.js
+++ b/codecept.testcafe.conf.js
@@ -15,19 +15,19 @@ exports.config = {
     REST: {},
 
     CustomHelper: {
-      require: './todomvc-tests/helpers/custom.helper.ts'
+      require: './todomvc-tests/helpers/custom.helper.js'
     }
   },
 
   gherkin: {
     features: './todomvc-tests/features/*.feature',
     steps: [
-      './todomvc-tests/step-definitions/create-todos.steps.ts'
+      './todomvc-tests/step-definitions/create-todos.steps.js'
     ]
   },
 
   include: {
-    TodosPage: './todomvc-tests/pages/todos.page.ts'
+    TodosPage: './todomvc-tests/pages/todos.page.js'
   },
   bootstrap: null,
   mocha: {},
diff --git a/codecept.webdriver.conf.js b/codecept.webdriver.conf.js
index 7438abd..8d6f26f 100644
--- a/codecept.webdriver.conf.js
+++ b/codecept.webdriver.conf.js
@@ -14,19 +14,19 @@ exports.config = {
     REST: {},
 
     CustomHelper: {
-      require: './todomvc-tests/helpers/custom.helper.ts'
+      require: './todomvc-tests/helpers/custom.helper.js'
     }
   },
 
   gherkin: {
     features: './todomvc-tests/features/*.feature',
     steps: [
-      './todomvc-tests/step-definitions/create-todos.steps.ts'
+      './todomvc-tests/step-definitions/create-todos.steps.js'
     ]
   },
 
   include: {
-    TodosPage: './todomvc-tests/pages/todos.page.ts'
+    TodosPage: './todomvc-tests/pages/todos.page.js'
   },
 
   plugins: {
diff --git a/package.json b/package.json
index 3d98d48..89893b0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@codeceptjs/examples",
-  "version": "3.5.12",
+  "version": "1.2.3",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
diff --git a/steps.d.ts b/steps.d.ts
index b49f0f5..0016ed2 100644
--- a/steps.d.ts
+++ b/steps.d.ts
@@ -1,6 +1,6 @@
 /// <reference types='codeceptjs' />
-type TodosPage = typeof import('./todomvc-tests/pages/todos.page');
-type CustomHelper = import('./todomvc-tests/helpers/custom.helper');
+type TodosPage = typeof import('./todomvc-tests/pages/todos.page.js');
+type CustomHelper = import('./todomvc-tests/helpers/custom.helper.js');
 
 declare namespace CodeceptJS {
   interface SupportObject { I: I, current: any, TodosPage: TodosPage }
diff --git a/todomvc-tests/create-todos_test.ts b/todomvc-tests/create-todos_test.js
similarity index 100%
rename from todomvc-tests/create-todos_test.ts
rename to todomvc-tests/create-todos_test.js
diff --git a/todomvc-tests/edit-todos_test.ts b/todomvc-tests/edit-todos_test.js
similarity index 100%
rename from todomvc-tests/edit-todos_test.ts
rename to todomvc-tests/edit-todos_test.js
diff --git a/todomvc-tests/helpers/custom.helper.ts b/todomvc-tests/helpers/custom.helper.js
similarity index 100%
rename from todomvc-tests/helpers/custom.helper.ts
rename to todomvc-tests/helpers/custom.helper.js
diff --git a/todomvc-tests/mark-as-completed_test.ts b/todomvc-tests/mark-as-completed_test.js
similarity index 100%
rename from todomvc-tests/mark-as-completed_test.ts
rename to todomvc-tests/mark-as-completed_test.js
diff --git a/todomvc-tests/pages/todos.page.ts b/todomvc-tests/pages/todos.page.js
similarity index 70%
rename from todomvc-tests/pages/todos.page.ts
rename to todomvc-tests/pages/todos.page.js
index 0f0f1a2..60d1c7a 100644
--- a/todomvc-tests/pages/todos.page.ts
+++ b/todomvc-tests/pages/todos.page.js
@@ -82,7 +82,7 @@ module.exports = {
     },
 
     async seeNthTodoEquals(nthTodo, todo) {
-        let todos: any = await I.grabTextFrom('.todo-list li')
+        let todos = await I.grabTextFrom('.todo-list li')
         if (typeof todos === 'string') {
             todos = [todos]
         }
@@ -104,62 +104,4 @@ module.exports = {
     }
 }
 
-export function goto() {
-    throw new Error("Function not implemented.");
-}
-export function enterTodo(arg0: string) {
-    throw new Error("Function not implemented.");
-}
-
-export function seeNumberOfTodos(arg0: number) {
-    throw new Error("Function not implemented.");
-}
-
-export function seeNthTodoEquals(arg0: number, arg1: any) {
-    throw new Error("Function not implemented.");
-}
-
-export function seeEmptyTodoInput() {
-    throw new Error("Function not implemented.");
-}
-
-export function seeFooter() {
-    throw new Error("Function not implemented.");
-}
-
-export function editNthTodo(arg0: number, arg1: string) {
-    throw new Error("Function not implemented.");
-}
-
-export function deleteNthTodo(arg0: number) {
-    throw new Error("Function not implemented.");
-}
-
-export function clearCompleted() {
-    throw new Error("Function not implemented.");
-}
-
-export function filterCompleted() {
-    throw new Error("Function not implemented.");
-}
-
-export function markAllAsCompleted() {
-    throw new Error("Function not implemented.");
-}
-
-export function filterActive() {
-    throw new Error("Function not implemented.");
-}
-
-export function markNthAsCompleted(arg0: number) {
-    throw new Error("Function not implemented.");
-}
-
-export function refresh() {
-    throw new Error("Function not implemented.");
-}
-
-export function enterTodos(arg0: { title: string; completed: boolean; }[]) {
-    throw new Error("Function not implemented.");
-}
 
diff --git a/todomvc-tests/persist-todos_test.ts b/todomvc-tests/persist-todos_test.js
similarity index 100%
rename from todomvc-tests/persist-todos_test.ts
rename to todomvc-tests/persist-todos_test.js
diff --git a/todomvc-tests/step-definitions/create-todos.steps.ts b/todomvc-tests/step-definitions/create-todos.steps.js
similarity index 100%
rename from todomvc-tests/step-definitions/create-todos.steps.ts
rename to todomvc-tests/step-definitions/create-todos.steps.js
diff --git a/todomvc-tests/todo-mvc_test.ts b/todomvc-tests/todo-mvc_test.js
similarity index 100%
rename from todomvc-tests/todo-mvc_test.ts
rename to todomvc-tests/todo-mvc_test.js