diff --git a/development/generate_api/example_codes.rb b/development/generate_api/example_codes.rb
index 1f5f1e8a..17f98f5a 100644
--- a/development/generate_api/example_codes.rb
+++ b/development/generate_api/example_codes.rb
@@ -19,7 +19,7 @@ def example_2e5019929403491cde0c78bed1e0e18e0c86ab423d7ac8715876c4de4814f483(pag
   end
 
   # Accessibility
-  def example_388652162f4e169aab346af9ea657dd96de9217cd390a4cae2090af952b7aebe(page:)
+  def example_3d67a99411b5f924d573427b6f54aff63f7241f2b810959b79948bd3b522404a(page:)
     def find_focused_node(node)
       if node['focused']
         node
@@ -463,7 +463,7 @@ def example_6b70ea4cf0c7ae9c82cf0ed22ab0dbbb563e2d1419b35d04aa513cf91f0856f9(pag
   end
 
   # ElementHandle#eval_on_selector
-  def example_f6a83ec555fcf23877c11cf55f02a8c89a7fc11d3324859feda42e592e129f4f(page:)
+  def example_64bcac14fcbd1a2e6d6f32164d92124a90dddbfa9277f7503be7b0a401c9cf85(page:)
     tweet_handle = page.query_selector(".tweet")
     tweet_handle.eval_on_selector(".like", "node => node.innerText") # => "100"
     tweet_handle.eval_on_selector(".retweets", "node => node.innerText") # => "10"
@@ -718,7 +718,7 @@ def example_2400f96eaaed3bc6ef6b0a16ba48e83d38a166c7d55a5dba0025472cffc6f2be(pag
   end
 
   # JSHandle#properties
-  def example_b5cbf187e1332705618516d4be127b8091a5d1acfa9a12d382086a2b0e738909(page:)
+  def example_49eec7966dd7a081de100e4563b110174e5e2dc4b89959cd14894097080346dc(page:)
     page.goto('https://example.com/')
     handle = page.evaluate_handle("({window, document})")
     properties = handle.properties
@@ -921,7 +921,7 @@ def example_77567051f4c8531c719eb0b94e53a061ffe9a414e3bb131cbc956d1fdcf6eab3(pag
   end
 
   # Locator#filter
-  def example_516c962e3016789b2f0d21854daed72507a490b018b3f0213d4ae25f9ee03267(page:)
+  def example_981a978542d75734983c5b8d6fc19f2b2e94d93d3ecce2349a55fff99918b412(page:)
     row_locator = page.locator("tr")
     # ...
     row_locator.
@@ -992,7 +992,7 @@ def example_d6cc7c4a653d7139137c582ad853bebd92e3b97893fb6d5f88919553404c57e4(pag
   end
 
   # Locator#or
-  def example_1828ac86226726cd674afe7d43e8d2bda4b1e9309c5ed1f2d57b4fd1c8024060(page:)
+  def example_180e47ad1dc80f352ad9ffc8519b25c65c17b7413febe4912e66acc198de69e7(page:)
     new_email = page.get_by_role("button", name: "New")
     dialog = page.get_by_text("Confirm security settings")
     new_email.or(dialog).wait_for(state: 'visible')
diff --git a/development/unimplemented_examples.md b/development/unimplemented_examples.md
index 6bf0f731..aa93d2c9 100644
--- a/development/unimplemented_examples.md
+++ b/development/unimplemented_examples.md
@@ -5,45 +5,6 @@ Excample codes in API documentation is replaces with the methods defined in deve
 The examples listed below is not yet implemented, and documentation shows Python code.
 
 
-### example_49eec7966dd7a081de100e4563b110174e5e2dc4b89959cd14894097080346dc (JSHandle#get_properties)
-
-```
-handle = page.evaluate_handle("({ window, document })")
-properties = handle.get_properties()
-window_handle = properties.get("window")
-document_handle = properties.get("document")
-handle.dispose()
-
-```
-
-### example_64bcac14fcbd1a2e6d6f32164d92124a90dddbfa9277f7503be7b0a401c9cf85 (ElementHandle#eval_on_selector)
-
-```
-tweet_handle = page.query_selector(".tweet")
-assert tweet_handle.eval_on_selector(".like", "node => node.innerText") == "100"
-assert tweet_handle.eval_on_selector(".retweets", "node => node.innerText") == "10"
-
-```
-
-### example_3d67a99411b5f924d573427b6f54aff63f7241f2b810959b79948bd3b522404a (Accessibility#snapshot)
-
-```
-def find_focused_node(node):
-    if node.get("focused"):
-        return node
-    for child in (node.get("children") or []):
-        found_node = find_focused_node(child)
-        if found_node:
-            return found_node
-    return None
-
-snapshot = page.accessibility.snapshot()
-node = find_focused_node(snapshot)
-if node:
-    print(node["name"])
-
-```
-
 ### example_a0ba081a92628cce9358e983826ad7143d6757dc2780f1b53f0d2e073000409e (Page#route)
 
 ```
@@ -67,26 +28,3 @@ def handle_route(route):
 context.route("/api/**", handle_route)
 
 ```
-
-### example_981a978542d75734983c5b8d6fc19f2b2e94d93d3ecce2349a55fff99918b412 (Locator#filter)
-
-```
-row_locator = page.locator("tr")
-# ...
-row_locator.filter(has_text="text in column 1").filter(
-    has=page.get_by_role("button", name="column 2 button")
-).screenshot()
-
-```
-
-### example_180e47ad1dc80f352ad9ffc8519b25c65c17b7413febe4912e66acc198de69e7 (Locator#or)
-
-```
-new_email = page.get_by_role("button", name="New")
-dialog = page.get_by_text("Confirm security settings")
-expect(new_email.or_(dialog)).to_be_visible()
-if (dialog.is_visible()):
-  page.get_by_role("button", name="Dismiss").click()
-new_email.click()
-
-```
diff --git a/documentation/docs/api/accessibility.md b/documentation/docs/api/accessibility.md
index 67f730e0..21abc562 100644
--- a/documentation/docs/api/accessibility.md
+++ b/documentation/docs/api/accessibility.md
@@ -43,19 +43,18 @@ puts snapshot
 
 An example of logging the focused node's name:
 
-```python sync title=example_3d67a99411b5f924d573427b6f54aff63f7241f2b810959b79948bd3b522404a.py
-def find_focused_node(node):
-    if node.get("focused"):
-        return node
-    for child in (node.get("children") or []):
-        found_node = find_focused_node(child)
-        if found_node:
-            return found_node
-    return None
-
-snapshot = page.accessibility.snapshot()
-node = find_focused_node(snapshot)
-if node:
-    print(node["name"])
+```ruby
+def find_focused_node(node)
+  if node['focused']
+    node
+  else
+    node['children']&.find do |child|
+      find_focused_node(child)
+    end
+  end
+end
 
+snapshot = page.accessibility.snapshot
+node = find_focused_node(snapshot)
+puts node['name']
 ```
diff --git a/documentation/docs/api/element_handle.md b/documentation/docs/api/element_handle.md
index 268f5636..3098bcb7 100644
--- a/documentation/docs/api/element_handle.md
+++ b/documentation/docs/api/element_handle.md
@@ -213,11 +213,10 @@ value.
 
 **Usage**
 
-```python sync title=example_64bcac14fcbd1a2e6d6f32164d92124a90dddbfa9277f7503be7b0a401c9cf85.py
+```ruby
 tweet_handle = page.query_selector(".tweet")
-assert tweet_handle.eval_on_selector(".like", "node => node.innerText") == "100"
-assert tweet_handle.eval_on_selector(".retweets", "node => node.innerText") == "10"
-
+tweet_handle.eval_on_selector(".like", "node => node.innerText") # => "100"
+tweet_handle.eval_on_selector(".retweets", "node => node.innerText") # => "10"
 ```
 
 ## eval_on_selector_all
diff --git a/documentation/docs/api/js_handle.md b/documentation/docs/api/js_handle.md
index 20a98bdd..09dfbf06 100644
--- a/documentation/docs/api/js_handle.md
+++ b/documentation/docs/api/js_handle.md
@@ -89,13 +89,14 @@ The method returns a map with **own property names** as keys and JSHandle instan
 
 **Usage**
 
-```python sync title=example_49eec7966dd7a081de100e4563b110174e5e2dc4b89959cd14894097080346dc.py
-handle = page.evaluate_handle("({ window, document })")
-properties = handle.get_properties()
-window_handle = properties.get("window")
-document_handle = properties.get("document")
-handle.dispose()
-
+```ruby
+page.goto('https://example.com/')
+handle = page.evaluate_handle("({window, document})")
+properties = handle.properties
+puts properties
+window_handle = properties["window"]
+document_handle = properties["document"]
+handle.dispose
 ```
 
 ## get_property
diff --git a/documentation/docs/api/locator.md b/documentation/docs/api/locator.md
index bbb62b2a..8ded5a6d 100644
--- a/documentation/docs/api/locator.md
+++ b/documentation/docs/api/locator.md
@@ -473,13 +473,13 @@ It can be chained to filter multiple times.
 
 **Usage**
 
-```python sync title=example_981a978542d75734983c5b8d6fc19f2b2e94d93d3ecce2349a55fff99918b412.py
+```ruby
 row_locator = page.locator("tr")
 # ...
-row_locator.filter(has_text="text in column 1").filter(
-    has=page.get_by_role("button", name="column 2 button")
-).screenshot()
-
+row_locator.
+    filter(hasText: "text in column 1").
+    filter(has: page.get_by_role("button", name: "column 2 button")).
+    screenshot
 ```
 
 ## first
@@ -977,14 +977,14 @@ Creates a locator that matches either of the two locators.
 
 Consider a scenario where you'd like to click on a "New email" button, but sometimes a security settings dialog shows up instead. In this case, you can wait for either a "New email" button, or a dialog and act accordingly.
 
-```python sync title=example_180e47ad1dc80f352ad9ffc8519b25c65c17b7413febe4912e66acc198de69e7.py
-new_email = page.get_by_role("button", name="New")
+```ruby
+new_email = page.get_by_role("button", name: "New")
 dialog = page.get_by_text("Confirm security settings")
-expect(new_email.or_(dialog)).to_be_visible()
-if (dialog.is_visible()):
-  page.get_by_role("button", name="Dismiss").click()
-new_email.click()
-
+new_email.or(dialog).wait_for(state: 'visible')
+if dialog.visible?
+  page.get_by_role("button", name: "Dismiss").click
+end
+new_email.click
 ```
 
 ## page
diff --git a/spec/integration/example_spec.rb b/spec/integration/example_spec.rb
index 5b32a654..4a1dc242 100644
--- a/spec/integration/example_spec.rb
+++ b/spec/integration/example_spec.rb
@@ -118,7 +118,7 @@
         HTML
 
         example_2e5019929403491cde0c78bed1e0e18e0c86ab423d7ac8715876c4de4814f483(page: page)
-        example_388652162f4e169aab346af9ea657dd96de9217cd390a4cae2090af952b7aebe(page: page)
+        example_3d67a99411b5f924d573427b6f54aff63f7241f2b810959b79948bd3b522404a(page: page)
       end
     end
 
@@ -255,7 +255,7 @@
     it 'should work with JSHandle#properties' do
       with_page do |page|
         with_network_retry do
-          example_b5cbf187e1332705618516d4be127b8091a5d1acfa9a12d382086a2b0e738909(page: page)
+          example_49eec7966dd7a081de100e4563b110174e5e2dc4b89959cd14894097080346dc(page: page)
         end
       end
     end