diff --git a/docs/api.md b/docs/api.md
index a4992686f14..1b22242e46f 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -131,6 +131,7 @@
   * [page.goto(url[, options])](#pagegotourl-options)
   * [page.hover(selector)](#pagehoverselector)
   * [page.isClosed()](#pageisclosed)
+  * [page.isJavaScriptEnabled()](#pageisjavascriptenabled)
   * [page.keyboard](#pagekeyboard)
   * [page.mainFrame()](#pagemainframe)
   * [page.metrics()](#pagemetrics)
@@ -1643,6 +1644,12 @@ Shortcut for [page.mainFrame().hover(selector)](#framehoverselector).
 
 Indicates that the page has been closed.
 
+#### page.isJavaScriptEnabled()
+
+- returns: <[boolean]>
+
+Returns `true` if the page has JavaScript enabled, `false` otherwise.
+
 #### page.keyboard
 
 - returns: <[Keyboard]>
diff --git a/new-docs/puppeteer.page._accessibility.md b/new-docs/puppeteer.page._accessibility.md
deleted file mode 100644
index e10dfac430b..00000000000
--- a/new-docs/puppeteer.page._accessibility.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_accessibility](./puppeteer.page._accessibility.md)
-
-## Page.\_accessibility property
-
-<b>Signature:</b>
-
-```typescript
-_accessibility: Accessibility;
-```
diff --git a/new-docs/puppeteer.page._addconsolemessage.md b/new-docs/puppeteer.page._addconsolemessage.md
deleted file mode 100644
index 881cda41e02..00000000000
--- a/new-docs/puppeteer.page._addconsolemessage.md
+++ /dev/null
@@ -1,24 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_addConsoleMessage](./puppeteer.page._addconsolemessage.md)
-
-## Page.\_addConsoleMessage() method
-
-<b>Signature:</b>
-
-```typescript
-_addConsoleMessage(type: string, args: JSHandle[], stackTrace?: Protocol.Runtime.StackTrace): void;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  type | string |  |
-|  args | [JSHandle](./puppeteer.jshandle.md)<!-- -->\[\] |  |
-|  stackTrace | Protocol.Runtime.StackTrace |  |
-
-<b>Returns:</b>
-
-void
-
diff --git a/new-docs/puppeteer.page._buildmetricsobject.md b/new-docs/puppeteer.page._buildmetricsobject.md
deleted file mode 100644
index c74ff6b5dff..00000000000
--- a/new-docs/puppeteer.page._buildmetricsobject.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_buildMetricsObject](./puppeteer.page._buildmetricsobject.md)
-
-## Page.\_buildMetricsObject() method
-
-<b>Signature:</b>
-
-```typescript
-_buildMetricsObject(metrics?: Protocol.Performance.Metric[]): Metrics;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  metrics | Protocol.Performance.Metric\[\] |  |
-
-<b>Returns:</b>
-
-Metrics
-
diff --git a/new-docs/puppeteer.page._client.md b/new-docs/puppeteer.page._client.md
deleted file mode 100644
index cca78381bf4..00000000000
--- a/new-docs/puppeteer.page._client.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_client](./puppeteer.page._client.md)
-
-## Page.\_client property
-
-<b>Signature:</b>
-
-```typescript
-_client: CDPSession;
-```
diff --git a/new-docs/puppeteer.page._closed.md b/new-docs/puppeteer.page._closed.md
deleted file mode 100644
index cb69546a024..00000000000
--- a/new-docs/puppeteer.page._closed.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_closed](./puppeteer.page._closed.md)
-
-## Page.\_closed property
-
-<b>Signature:</b>
-
-```typescript
-_closed: boolean;
-```
diff --git a/new-docs/puppeteer.page._coverage.md b/new-docs/puppeteer.page._coverage.md
deleted file mode 100644
index a07752a2dae..00000000000
--- a/new-docs/puppeteer.page._coverage.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_coverage](./puppeteer.page._coverage.md)
-
-## Page.\_coverage property
-
-<b>Signature:</b>
-
-```typescript
-_coverage: Coverage;
-```
diff --git a/new-docs/puppeteer.page._disconnectpromise.md b/new-docs/puppeteer.page._disconnectpromise.md
deleted file mode 100644
index 9f70c94ee45..00000000000
--- a/new-docs/puppeteer.page._disconnectpromise.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_disconnectPromise](./puppeteer.page._disconnectpromise.md)
-
-## Page.\_disconnectPromise property
-
-<b>Signature:</b>
-
-```typescript
-_disconnectPromise?: Promise<Error>;
-```
diff --git a/new-docs/puppeteer.page._emitmetrics.md b/new-docs/puppeteer.page._emitmetrics.md
deleted file mode 100644
index 16d4f04509f..00000000000
--- a/new-docs/puppeteer.page._emitmetrics.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_emitMetrics](./puppeteer.page._emitmetrics.md)
-
-## Page.\_emitMetrics() method
-
-<b>Signature:</b>
-
-```typescript
-_emitMetrics(event: Protocol.Performance.metricsPayload): void;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  event | Protocol.Performance.metricsPayload |  |
-
-<b>Returns:</b>
-
-void
-
diff --git a/new-docs/puppeteer.page._emulationmanager.md b/new-docs/puppeteer.page._emulationmanager.md
deleted file mode 100644
index 8cb81a8eb9e..00000000000
--- a/new-docs/puppeteer.page._emulationmanager.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_emulationManager](./puppeteer.page._emulationmanager.md)
-
-## Page.\_emulationManager property
-
-<b>Signature:</b>
-
-```typescript
-_emulationManager: EmulationManager;
-```
diff --git a/new-docs/puppeteer.page._filechooserinterceptors.md b/new-docs/puppeteer.page._filechooserinterceptors.md
deleted file mode 100644
index 64cf4cbfe26..00000000000
--- a/new-docs/puppeteer.page._filechooserinterceptors.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_fileChooserInterceptors](./puppeteer.page._filechooserinterceptors.md)
-
-## Page.\_fileChooserInterceptors property
-
-<b>Signature:</b>
-
-```typescript
-_fileChooserInterceptors: Set<Function>;
-```
diff --git a/new-docs/puppeteer.page._framemanager.md b/new-docs/puppeteer.page._framemanager.md
deleted file mode 100644
index 774eaee6a23..00000000000
--- a/new-docs/puppeteer.page._framemanager.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_frameManager](./puppeteer.page._framemanager.md)
-
-## Page.\_frameManager property
-
-<b>Signature:</b>
-
-```typescript
-_frameManager: FrameManager;
-```
diff --git a/new-docs/puppeteer.page._handleexception.md b/new-docs/puppeteer.page._handleexception.md
deleted file mode 100644
index b64eac16c5f..00000000000
--- a/new-docs/puppeteer.page._handleexception.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_handleException](./puppeteer.page._handleexception.md)
-
-## Page.\_handleException() method
-
-<b>Signature:</b>
-
-```typescript
-_handleException(exceptionDetails: Protocol.Runtime.ExceptionDetails): void;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  exceptionDetails | Protocol.Runtime.ExceptionDetails |  |
-
-<b>Returns:</b>
-
-void
-
diff --git a/new-docs/puppeteer.page._javascriptenabled.md b/new-docs/puppeteer.page._javascriptenabled.md
deleted file mode 100644
index d33dab13c41..00000000000
--- a/new-docs/puppeteer.page._javascriptenabled.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_javascriptEnabled](./puppeteer.page._javascriptenabled.md)
-
-## Page.\_javascriptEnabled property
-
-<b>Signature:</b>
-
-```typescript
-_javascriptEnabled: boolean;
-```
diff --git a/new-docs/puppeteer.page._keyboard.md b/new-docs/puppeteer.page._keyboard.md
deleted file mode 100644
index 145204f0099..00000000000
--- a/new-docs/puppeteer.page._keyboard.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_keyboard](./puppeteer.page._keyboard.md)
-
-## Page.\_keyboard property
-
-<b>Signature:</b>
-
-```typescript
-_keyboard: Keyboard;
-```
diff --git a/new-docs/puppeteer.page._mouse.md b/new-docs/puppeteer.page._mouse.md
deleted file mode 100644
index e6c6621f7d1..00000000000
--- a/new-docs/puppeteer.page._mouse.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_mouse](./puppeteer.page._mouse.md)
-
-## Page.\_mouse property
-
-<b>Signature:</b>
-
-```typescript
-_mouse: Mouse;
-```
diff --git a/new-docs/puppeteer.page._onbindingcalled.md b/new-docs/puppeteer.page._onbindingcalled.md
deleted file mode 100644
index be261b99843..00000000000
--- a/new-docs/puppeteer.page._onbindingcalled.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_onBindingCalled](./puppeteer.page._onbindingcalled.md)
-
-## Page.\_onBindingCalled() method
-
-<b>Signature:</b>
-
-```typescript
-_onBindingCalled(event: Protocol.Runtime.bindingCalledPayload): Promise<void>;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  event | Protocol.Runtime.bindingCalledPayload |  |
-
-<b>Returns:</b>
-
-Promise&lt;void&gt;
-
diff --git a/new-docs/puppeteer.page._onconsoleapi.md b/new-docs/puppeteer.page._onconsoleapi.md
deleted file mode 100644
index a5e608be188..00000000000
--- a/new-docs/puppeteer.page._onconsoleapi.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_onConsoleAPI](./puppeteer.page._onconsoleapi.md)
-
-## Page.\_onConsoleAPI() method
-
-<b>Signature:</b>
-
-```typescript
-_onConsoleAPI(event: Protocol.Runtime.consoleAPICalledPayload): Promise<void>;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  event | Protocol.Runtime.consoleAPICalledPayload |  |
-
-<b>Returns:</b>
-
-Promise&lt;void&gt;
-
diff --git a/new-docs/puppeteer.page._ondialog.md b/new-docs/puppeteer.page._ondialog.md
deleted file mode 100644
index a5586fea0d0..00000000000
--- a/new-docs/puppeteer.page._ondialog.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_onDialog](./puppeteer.page._ondialog.md)
-
-## Page.\_onDialog() method
-
-<b>Signature:</b>
-
-```typescript
-_onDialog(event: Protocol.Page.javascriptDialogOpeningPayload): void;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  event | Protocol.Page.javascriptDialogOpeningPayload |  |
-
-<b>Returns:</b>
-
-void
-
diff --git a/new-docs/puppeteer.page._onfilechooser.md b/new-docs/puppeteer.page._onfilechooser.md
deleted file mode 100644
index 98bef7e6dcf..00000000000
--- a/new-docs/puppeteer.page._onfilechooser.md
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_onFileChooser](./puppeteer.page._onfilechooser.md)
-
-## Page.\_onFileChooser() method
-
-<b>Signature:</b>
-
-```typescript
-_onFileChooser(event: Protocol.Page.fileChooserOpenedPayload): Promise<void>;
-```
-
-## Parameters
-
-|  Parameter | Type | Description |
-|  --- | --- | --- |
-|  event | Protocol.Page.fileChooserOpenedPayload |  |
-
-<b>Returns:</b>
-
-Promise&lt;void&gt;
-
diff --git a/new-docs/puppeteer.page._pagebindings.md b/new-docs/puppeteer.page._pagebindings.md
deleted file mode 100644
index e86af9a813e..00000000000
--- a/new-docs/puppeteer.page._pagebindings.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_pageBindings](./puppeteer.page._pagebindings.md)
-
-## Page.\_pageBindings property
-
-<b>Signature:</b>
-
-```typescript
-_pageBindings: Map<string, Function>;
-```
diff --git a/new-docs/puppeteer.page._screenshottaskqueue.md b/new-docs/puppeteer.page._screenshottaskqueue.md
deleted file mode 100644
index f90cf45f20f..00000000000
--- a/new-docs/puppeteer.page._screenshottaskqueue.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_screenshotTaskQueue](./puppeteer.page._screenshottaskqueue.md)
-
-## Page.\_screenshotTaskQueue property
-
-<b>Signature:</b>
-
-```typescript
-_screenshotTaskQueue: ScreenshotTaskQueue;
-```
diff --git a/new-docs/puppeteer.page._sessionclosepromise.md b/new-docs/puppeteer.page._sessionclosepromise.md
deleted file mode 100644
index ae962beb9cb..00000000000
--- a/new-docs/puppeteer.page._sessionclosepromise.md
+++ /dev/null
@@ -1,15 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_sessionClosePromise](./puppeteer.page._sessionclosepromise.md)
-
-## Page.\_sessionClosePromise() method
-
-<b>Signature:</b>
-
-```typescript
-_sessionClosePromise(): Promise<Error>;
-```
-<b>Returns:</b>
-
-Promise&lt;Error&gt;
-
diff --git a/new-docs/puppeteer.page._target.md b/new-docs/puppeteer.page._target.md
deleted file mode 100644
index f1afe833dda..00000000000
--- a/new-docs/puppeteer.page._target.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_target](./puppeteer.page._target.md)
-
-## Page.\_target property
-
-<b>Signature:</b>
-
-```typescript
-_target: Target;
-```
diff --git a/new-docs/puppeteer.page._timeoutsettings.md b/new-docs/puppeteer.page._timeoutsettings.md
deleted file mode 100644
index 5d2a310363e..00000000000
--- a/new-docs/puppeteer.page._timeoutsettings.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_timeoutSettings](./puppeteer.page._timeoutsettings.md)
-
-## Page.\_timeoutSettings property
-
-<b>Signature:</b>
-
-```typescript
-_timeoutSettings: TimeoutSettings;
-```
diff --git a/new-docs/puppeteer.page._touchscreen.md b/new-docs/puppeteer.page._touchscreen.md
deleted file mode 100644
index 438c92b85fd..00000000000
--- a/new-docs/puppeteer.page._touchscreen.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_touchscreen](./puppeteer.page._touchscreen.md)
-
-## Page.\_touchscreen property
-
-<b>Signature:</b>
-
-```typescript
-_touchscreen: Touchscreen;
-```
diff --git a/new-docs/puppeteer.page._tracing.md b/new-docs/puppeteer.page._tracing.md
deleted file mode 100644
index 84f21c3d7a1..00000000000
--- a/new-docs/puppeteer.page._tracing.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_tracing](./puppeteer.page._tracing.md)
-
-## Page.\_tracing property
-
-<b>Signature:</b>
-
-```typescript
-_tracing: Tracing;
-```
diff --git a/new-docs/puppeteer.page._viewport.md b/new-docs/puppeteer.page._viewport.md
deleted file mode 100644
index 09eed122b23..00000000000
--- a/new-docs/puppeteer.page._viewport.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_viewport](./puppeteer.page._viewport.md)
-
-## Page.\_viewport property
-
-<b>Signature:</b>
-
-```typescript
-_viewport: Viewport | null;
-```
diff --git a/new-docs/puppeteer.page._workers.md b/new-docs/puppeteer.page._workers.md
deleted file mode 100644
index ef919d619dd..00000000000
--- a/new-docs/puppeteer.page._workers.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_workers](./puppeteer.page._workers.md)
-
-## Page.\_workers property
-
-<b>Signature:</b>
-
-```typescript
-_workers: Map<string, WebWorker>;
-```
diff --git a/new-docs/puppeteer.page._initialize.md b/new-docs/puppeteer.page.isjavascriptenabled.md
similarity index 52%
rename from new-docs/puppeteer.page._initialize.md
rename to new-docs/puppeteer.page.isjavascriptenabled.md
index a3c2b4559c0..8cc5a92c7b9 100644
--- a/new-docs/puppeteer.page._initialize.md
+++ b/new-docs/puppeteer.page.isjavascriptenabled.md
@@ -1,15 +1,15 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [\_initialize](./puppeteer.page._initialize.md)
+[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Page](./puppeteer.page.md) &gt; [isJavaScriptEnabled](./puppeteer.page.isjavascriptenabled.md)
 
-## Page.\_initialize() method
+## Page.isJavaScriptEnabled() method
 
 <b>Signature:</b>
 
 ```typescript
-_initialize(): Promise<void>;
+isJavaScriptEnabled(): boolean;
 ```
 <b>Returns:</b>
 
-Promise&lt;void&gt;
+boolean
 
diff --git a/new-docs/puppeteer.page.md b/new-docs/puppeteer.page.md
index 759c3c60b78..7b13611700b 100644
--- a/new-docs/puppeteer.page.md
+++ b/new-docs/puppeteer.page.md
@@ -20,25 +20,6 @@ export declare class Page extends EventEmitter
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
-|  [\_accessibility](./puppeteer.page._accessibility.md) |  | [Accessibility](./puppeteer.accessibility.md) |  |
-|  [\_client](./puppeteer.page._client.md) |  | [CDPSession](./puppeteer.cdpsession.md) |  |
-|  [\_closed](./puppeteer.page._closed.md) |  | boolean |  |
-|  [\_coverage](./puppeteer.page._coverage.md) |  | [Coverage](./puppeteer.coverage.md) |  |
-|  [\_disconnectPromise](./puppeteer.page._disconnectpromise.md) |  | Promise&lt;Error&gt; |  |
-|  [\_emulationManager](./puppeteer.page._emulationmanager.md) |  | EmulationManager |  |
-|  [\_fileChooserInterceptors](./puppeteer.page._filechooserinterceptors.md) |  | Set&lt;Function&gt; |  |
-|  [\_frameManager](./puppeteer.page._framemanager.md) |  | [FrameManager](./puppeteer.framemanager.md) |  |
-|  [\_javascriptEnabled](./puppeteer.page._javascriptenabled.md) |  | boolean |  |
-|  [\_keyboard](./puppeteer.page._keyboard.md) |  | [Keyboard](./puppeteer.keyboard.md) |  |
-|  [\_mouse](./puppeteer.page._mouse.md) |  | [Mouse](./puppeteer.mouse.md) |  |
-|  [\_pageBindings](./puppeteer.page._pagebindings.md) |  | Map&lt;string, Function&gt; |  |
-|  [\_screenshotTaskQueue](./puppeteer.page._screenshottaskqueue.md) |  | ScreenshotTaskQueue |  |
-|  [\_target](./puppeteer.page._target.md) |  | [Target](./puppeteer.target.md) |  |
-|  [\_timeoutSettings](./puppeteer.page._timeoutsettings.md) |  | TimeoutSettings |  |
-|  [\_touchscreen](./puppeteer.page._touchscreen.md) |  | [Touchscreen](./puppeteer.touchscreen.md) |  |
-|  [\_tracing](./puppeteer.page._tracing.md) |  | [Tracing](./puppeteer.tracing.md) |  |
-|  [\_viewport](./puppeteer.page._viewport.md) |  | Viewport \| null |  |
-|  [\_workers](./puppeteer.page._workers.md) |  | Map&lt;string, [WebWorker](./puppeteer.webworker.md)<!-- -->&gt; |  |
 |  [accessibility](./puppeteer.page.accessibility.md) |  | [Accessibility](./puppeteer.accessibility.md) |  |
 |  [coverage](./puppeteer.page.coverage.md) |  | [Coverage](./puppeteer.coverage.md) |  |
 |  [keyboard](./puppeteer.page.keyboard.md) |  | [Keyboard](./puppeteer.keyboard.md) |  |
@@ -50,20 +31,10 @@ export declare class Page extends EventEmitter
 
 |  Method | Modifiers | Description |
 |  --- | --- | --- |
-|  [\_addConsoleMessage(type, args, stackTrace)](./puppeteer.page._addconsolemessage.md) |  |  |
-|  [\_buildMetricsObject(metrics)](./puppeteer.page._buildmetricsobject.md) |  |  |
-|  [\_emitMetrics(event)](./puppeteer.page._emitmetrics.md) |  |  |
 |  [\_go(delta, options)](./puppeteer.page._go.md) |  |  |
-|  [\_handleException(exceptionDetails)](./puppeteer.page._handleexception.md) |  |  |
-|  [\_initialize()](./puppeteer.page._initialize.md) |  |  |
-|  [\_onBindingCalled(event)](./puppeteer.page._onbindingcalled.md) |  |  |
-|  [\_onConsoleAPI(event)](./puppeteer.page._onconsoleapi.md) |  |  |
-|  [\_onDialog(event)](./puppeteer.page._ondialog.md) |  |  |
-|  [\_onFileChooser(event)](./puppeteer.page._onfilechooser.md) |  |  |
 |  [\_onLogEntryAdded(event)](./puppeteer.page._onlogentryadded.md) |  |  |
 |  [\_onTargetCrashed()](./puppeteer.page._ontargetcrashed.md) |  |  |
 |  [\_screenshotTask(format, options)](./puppeteer.page._screenshottask.md) |  |  |
-|  [\_sessionClosePromise()](./puppeteer.page._sessionclosepromise.md) |  |  |
 |  [$(selector)](./puppeteer.page._.md) |  |  |
 |  [$$(selector)](./puppeteer.page.__.md) |  |  |
 |  [$$eval(selector, pageFunction, args)](./puppeteer.page.__eval.md) |  |  |
@@ -97,6 +68,7 @@ export declare class Page extends EventEmitter
 |  [goto(url, options)](./puppeteer.page.goto.md) |  |  |
 |  [hover(selector)](./puppeteer.page.hover.md) |  |  |
 |  [isClosed()](./puppeteer.page.isclosed.md) |  |  |
+|  [isJavaScriptEnabled()](./puppeteer.page.isjavascriptenabled.md) |  |  |
 |  [mainFrame()](./puppeteer.page.mainframe.md) |  |  |
 |  [metrics()](./puppeteer.page.metrics.md) |  |  |
 |  [pdf(options)](./puppeteer.page.pdf.md) |  |  |
diff --git a/src/JSHandle.ts b/src/JSHandle.ts
index 39e66d6a344..867707a32c9 100644
--- a/src/JSHandle.ts
+++ b/src/JSHandle.ts
@@ -219,7 +219,7 @@ export class ElementHandle extends JSHandle {
         }
         return false;
       },
-      this._page._javascriptEnabled
+      this._page.isJavaScriptEnabled()
     );
 
     if (error) throw new Error(error);
diff --git a/src/Page.ts b/src/Page.ts
index 04270805ac3..d64c8f98876 100644
--- a/src/Page.ts
+++ b/src/Page.ts
@@ -166,27 +166,27 @@ export class Page extends EventEmitter {
     return page;
   }
 
-  _closed = false;
-  _client: CDPSession;
-  _target: Target;
-  _keyboard: Keyboard;
-  _mouse: Mouse;
-  _timeoutSettings = new TimeoutSettings();
-  _touchscreen: Touchscreen;
-  _accessibility: Accessibility;
-  _frameManager: FrameManager;
-  _emulationManager: EmulationManager;
-  _tracing: Tracing;
-  _pageBindings = new Map<string, Function>();
-  _coverage: Coverage;
-  _javascriptEnabled = true;
-  _viewport: Viewport | null;
-  _screenshotTaskQueue: ScreenshotTaskQueue;
-  _workers = new Map<string, WebWorker>();
+  private _closed = false;
+  private _client: CDPSession;
+  private _target: Target;
+  private _keyboard: Keyboard;
+  private _mouse: Mouse;
+  private _timeoutSettings = new TimeoutSettings();
+  private _touchscreen: Touchscreen;
+  private _accessibility: Accessibility;
+  private _frameManager: FrameManager;
+  private _emulationManager: EmulationManager;
+  private _tracing: Tracing;
+  private _pageBindings = new Map<string, Function>();
+  private _coverage: Coverage;
+  private _javascriptEnabled = true;
+  private _viewport: Viewport | null;
+  private _screenshotTaskQueue: ScreenshotTaskQueue;
+  private _workers = new Map<string, WebWorker>();
   // TODO: improve this typedef - it's a function that takes a file chooser or something?
-  _fileChooserInterceptors = new Set<Function>();
+  private _fileChooserInterceptors = new Set<Function>();
 
-  _disconnectPromise?: Promise<Error>;
+  private _disconnectPromise?: Promise<Error>;
 
   constructor(client: CDPSession, target: Target, ignoreHTTPSErrors: boolean) {
     super();
@@ -280,7 +280,7 @@ export class Page extends EventEmitter {
     });
   }
 
-  async _initialize(): Promise<void> {
+  private async _initialize(): Promise<void> {
     await Promise.all([
       this._frameManager.initialize(),
       this._client.send('Target.setAutoAttach', {
@@ -293,7 +293,7 @@ export class Page extends EventEmitter {
     ]);
   }
 
-  async _onFileChooser(
+  private async _onFileChooser(
     event: Protocol.Page.fileChooserOpenedPayload
   ): Promise<void> {
     if (!this._fileChooserInterceptors.size) return;
@@ -306,6 +306,10 @@ export class Page extends EventEmitter {
     for (const interceptor of interceptors) interceptor.call(null, fileChooser);
   }
 
+  public isJavaScriptEnabled(): boolean {
+    return this._javascriptEnabled;
+  }
+
   async waitForFileChooser(
     options: { timeout?: number } = {}
   ): Promise<FileChooser> {
@@ -597,14 +601,16 @@ export class Page extends EventEmitter {
     return this._buildMetricsObject(response.metrics);
   }
 
-  _emitMetrics(event: Protocol.Performance.metricsPayload): void {
+  private _emitMetrics(event: Protocol.Performance.metricsPayload): void {
     this.emit(Events.Page.Metrics, {
       title: event.title,
       metrics: this._buildMetricsObject(event.metrics),
     });
   }
 
-  _buildMetricsObject(metrics?: Protocol.Performance.Metric[]): Metrics {
+  private _buildMetricsObject(
+    metrics?: Protocol.Performance.Metric[]
+  ): Metrics {
     const result = {};
     for (const metric of metrics || []) {
       if (supportedMetrics.has(metric.name)) result[metric.name] = metric.value;
@@ -612,14 +618,16 @@ export class Page extends EventEmitter {
     return result;
   }
 
-  _handleException(exceptionDetails: Protocol.Runtime.ExceptionDetails): void {
+  private _handleException(
+    exceptionDetails: Protocol.Runtime.ExceptionDetails
+  ): void {
     const message = helper.getExceptionMessage(exceptionDetails);
     const err = new Error(message);
     err.stack = ''; // Don't report clientside error with a node stack attached
     this.emit(Events.Page.PageError, err);
   }
 
-  async _onConsoleAPI(
+  private async _onConsoleAPI(
     event: Protocol.Runtime.consoleAPICalledPayload
   ): Promise<void> {
     if (event.executionContextId === 0) {
@@ -645,7 +653,7 @@ export class Page extends EventEmitter {
     this._addConsoleMessage(event.type, values, event.stackTrace);
   }
 
-  async _onBindingCalled(
+  private async _onBindingCalled(
     event: Protocol.Runtime.bindingCalledPayload
   ): Promise<void> {
     const { name, seq, args } = JSON.parse(event.payload);
@@ -704,7 +712,7 @@ export class Page extends EventEmitter {
     }
   }
 
-  _addConsoleMessage(
+  private _addConsoleMessage(
     type: string,
     args: JSHandle[],
     stackTrace?: Protocol.Runtime.StackTrace
@@ -736,7 +744,7 @@ export class Page extends EventEmitter {
     this.emit(Events.Page.Console, message);
   }
 
-  _onDialog(event: Protocol.Page.javascriptDialogOpeningPayload): void {
+  private _onDialog(event: Protocol.Page.javascriptDialogOpeningPayload): void {
     let dialogType = null;
     const validDialogTypes = new Set<Protocol.Page.DialogType>([
       'alert',
@@ -793,7 +801,7 @@ export class Page extends EventEmitter {
     return await this._frameManager.mainFrame().waitForNavigation(options);
   }
 
-  _sessionClosePromise(): Promise<Error> {
+  private _sessionClosePromise(): Promise<Error> {
     if (!this._disconnectPromise)
       this._disconnectPromise = new Promise((fulfill) =>
         this._client.once(Events.CDPSession.Disconnected, () =>