diff --git a/nicegui/client.py b/nicegui/client.py
index 98d1dcc96..dbe153d7d 100644
--- a/nicegui/client.py
+++ b/nicegui/client.py
@@ -19,6 +19,7 @@
 from .dependencies import generate_resources
 from .element import Element
 from .favicon import get_favicon_url
+from .javascript_request import JavaScriptRequest
 from .logging import log
 from .observables import ObservableDict
 from .outbox import Outbox
@@ -67,8 +68,6 @@ def __init__(self, page: page, *, shared: bool = False) -> None:
                 with Element('q-page'):
                     self.content = Element('div').classes('nicegui-content')
 
-        self.waiting_javascript_commands: Dict[str, Any] = {}
-
         self.title: Optional[str] = None
 
         self._head_html = ''
@@ -181,7 +180,9 @@ async def disconnected(self, check_interval: float = 0.1) -> None:
 
     def run_javascript(self, code: str, *,
                        respond: Optional[bool] = None,  # DEPRECATED
-                       timeout: float = 1.0, check_interval: float = 0.01) -> AwaitableResponse:
+                       timeout: float = 1.0,
+                       check_interval: float = 0.01,  # DEPRECATED
+                       ) -> AwaitableResponse:
         """Execute JavaScript on the client.
 
         The client connection must be established before this method is called.
@@ -192,7 +193,6 @@ def run_javascript(self, code: str, *,
 
         :param code: JavaScript code to run
         :param timeout: timeout in seconds (default: `1.0`)
-        :param check_interval: interval in seconds to check for a response (default: `0.01`)
 
         :return: AwaitableResponse that can be awaited to get the result of the JavaScript code
         """
@@ -204,6 +204,10 @@ def run_javascript(self, code: str, *,
             raise ValueError('The "respond" argument of run_javascript() has been removed. '
                              'Now the method always returns an AwaitableResponse that can be awaited. '
                              'Please remove the "respond=False" argument and call the method without awaiting.')
+        if check_interval != 0.01:
+            log.warning('The "check_interval" argument of run_javascript() and similar methods has been removed. '
+                        'Now the method automatically returns when receiving a response without checking regularly in an interval. '
+                        'Please remove the "check_interval" argument.')
 
         request_id = str(uuid.uuid4())
         target_id = self._temporary_socket_id or self.id
@@ -213,12 +217,7 @@ def send_and_forget():
 
         async def send_and_wait():
             self.outbox.enqueue_message('run_javascript', {'code': code, 'request_id': request_id}, target_id)
-            deadline = time.time() + timeout
-            while request_id not in self.waiting_javascript_commands:
-                if time.time() > deadline:
-                    raise TimeoutError(f'JavaScript did not respond within {timeout:.1f} s')
-                await asyncio.sleep(check_interval)
-            return self.waiting_javascript_commands.pop(request_id)
+            return await JavaScriptRequest(request_id, timeout=timeout)
 
         return AwaitableResponse(send_and_forget, send_and_wait)
 
@@ -277,7 +276,7 @@ def handle_event(self, msg: Dict) -> None:
 
     def handle_javascript_response(self, msg: Dict) -> None:
         """Store the result of a JavaScript command."""
-        self.waiting_javascript_commands[msg['request_id']] = msg['result']
+        JavaScriptRequest.resolve(msg['request_id'], msg['result'])
 
     def safe_invoke(self, func: Union[Callable[..., Any], Awaitable]) -> None:
         """Invoke the potentially async function in the client context and catch any exceptions."""
diff --git a/nicegui/element.py b/nicegui/element.py
index 9b83e3320..833dcbc4f 100644
--- a/nicegui/element.py
+++ b/nicegui/element.py
@@ -477,7 +477,6 @@ def run_method(self, name: str, *args: Any, timeout: float = 1, check_interval:
         :param name: name of the method
         :param args: arguments to pass to the method
         :param timeout: maximum time to wait for a response (default: 1 second)
-        :param check_interval: time between checks for a response (default: 0.01 seconds)
         """
         if not core.loop:
             return NullResponse()
diff --git a/nicegui/elements/aggrid.py b/nicegui/elements/aggrid.py
index 6b4817cfa..c819da081 100644
--- a/nicegui/elements/aggrid.py
+++ b/nicegui/elements/aggrid.py
@@ -105,7 +105,6 @@ def run_grid_method(self, name: str, *args, timeout: float = 1, check_interval:
         :param name: name of the method
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
@@ -127,7 +126,6 @@ def run_column_method(self, name: str, *args,
         :param name: name of the method
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
@@ -146,7 +144,6 @@ def run_row_method(self, row_id: str, name: str, *args,
         :param name: name of the method
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
@@ -185,7 +182,7 @@ async def get_client_data(self, *, timeout: float = 1, check_interval: float = 0
         This does not happen when the cell loses focus, unless ``stopEditingWhenCellsLoseFocus: True`` is set.
 
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
+
         :return: list of row data
         """
         result = await self.client.run_javascript(f'''
diff --git a/nicegui/elements/echart.py b/nicegui/elements/echart.py
index ef76806ef..6ac19bd9e 100644
--- a/nicegui/elements/echart.py
+++ b/nicegui/elements/echart.py
@@ -109,7 +109,6 @@ def run_chart_method(self, name: str, *args, timeout: float = 1,
         :param name: name of the method (a prefix ":" indicates that the arguments are JavaScript expressions)
         :param args: arguments to pass to the method (Python objects or JavaScript expressions)
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
diff --git a/nicegui/elements/json_editor.py b/nicegui/elements/json_editor.py
index 50257522c..2f3383396 100644
--- a/nicegui/elements/json_editor.py
+++ b/nicegui/elements/json_editor.py
@@ -68,7 +68,6 @@ def run_editor_method(self, name: str, *args, timeout: float = 1,
         :param name: name of the method (a prefix ":" indicates that the arguments are JavaScript expressions)
         :param args: arguments to pass to the method (Python objects or JavaScript expressions)
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
diff --git a/nicegui/elements/leaflet.js b/nicegui/elements/leaflet.js
index 2bd5b41d1..2a81d6535 100644
--- a/nicegui/elements/leaflet.js
+++ b/nicegui/elements/leaflet.js
@@ -107,13 +107,10 @@ export default {
       clearInterval(connectInterval);
     }, 100);
   },
+  updated() {
+    this.map?.setView(this.center, this.zoom);
+  },
   methods: {
-    setCenter(center) {
-      this.map.panTo(center);
-    },
-    setZoom(zoom) {
-      this.map.setZoom(zoom);
-    },
     add_layer(layer, id) {
       const l = L[layer.type](...layer.args);
       l.id = id;
diff --git a/nicegui/elements/leaflet.py b/nicegui/elements/leaflet.py
index 750e9e17e..91089289a 100644
--- a/nicegui/elements/leaflet.py
+++ b/nicegui/elements/leaflet.py
@@ -98,14 +98,14 @@ def set_center(self, center: Tuple[float, float]) -> None:
         if self._props['center'] == center:
             return
         self._props['center'] = center
-        self.run_method('setCenter', center)
+        self.update()
 
     def set_zoom(self, zoom: int) -> None:
         """Set the zoom level of the map."""
         if self._props['zoom'] == zoom:
             return
         self._props['zoom'] = zoom
-        self.run_method('setZoom', zoom)
+        self.update()
 
     def remove_layer(self, layer: Layer) -> None:
         """Remove a layer from the map."""
@@ -128,7 +128,6 @@ def run_map_method(self, name: str, *args, timeout: float = 1, check_interval: f
         :param name: name of the method (a prefix ":" indicates that the arguments are JavaScript expressions)
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
@@ -144,7 +143,6 @@ def run_layer_method(self, layer_id: str, name: str, *args, timeout: float = 1,
         :param name: name of the method (a prefix ":" indicates that the arguments are JavaScript expressions)
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
diff --git a/nicegui/elements/leaflet_layer.py b/nicegui/elements/leaflet_layer.py
index b12c13ec2..d7a326f67 100644
--- a/nicegui/elements/leaflet_layer.py
+++ b/nicegui/elements/leaflet_layer.py
@@ -38,7 +38,6 @@ def run_method(self, name: str, *args: Any, timeout: float = 1, check_interval:
         :param name: name of the method (a prefix ":" indicates that the arguments are JavaScript expressions)
         :param args: arguments to pass to the method
         :param timeout: timeout in seconds (default: 1 second)
-        :param check_interval: interval in seconds to check for a response (default: 0.01 seconds)
 
         :return: AwaitableResponse that can be awaited to get the result of the method call
         """
diff --git a/nicegui/elements/markdown.js b/nicegui/elements/markdown.js
index 24bcb9376..b5a28bc7a 100644
--- a/nicegui/elements/markdown.js
+++ b/nicegui/elements/markdown.js
@@ -4,7 +4,7 @@ export default {
     this.ensure_codehilite_css();
     if (this.use_mermaid) {
       this.mermaid = (await import("mermaid")).default;
-      this.update(this.$el.innerHTML);
+      this.renderMermaid();
     }
   },
   data() {
@@ -12,9 +12,11 @@ export default {
       mermaid: null,
     };
   },
+  updated() {
+    this.renderMermaid();
+  },
   methods: {
-    update(content) {
-      this.$el.innerHTML = content;
+    renderMermaid() {
       this.$el.querySelectorAll(".mermaid-pre").forEach(async (pre, i) => {
         await this.mermaid.run({ nodes: [pre.children[0]] });
       });
diff --git a/nicegui/elements/markdown.py b/nicegui/elements/markdown.py
index 029782d72..faeac23ee 100644
--- a/nicegui/elements/markdown.py
+++ b/nicegui/elements/markdown.py
@@ -34,7 +34,7 @@ def _handle_content_change(self, content: str) -> None:
         html = prepare_content(content, extras=' '.join(self.extras))
         if self._props.get('innerHTML') != html:
             self._props['innerHTML'] = html
-            self.run_method('update', html)
+            self.update()
 
 
 @lru_cache(maxsize=int(os.environ.get('MARKDOWN_CONTENT_CACHE_SIZE', '1000')))
diff --git a/nicegui/elements/restructured_text.py b/nicegui/elements/restructured_text.py
index cde94d7de..f941b9654 100644
--- a/nicegui/elements/restructured_text.py
+++ b/nicegui/elements/restructured_text.py
@@ -21,7 +21,7 @@ def _handle_content_change(self, content: str) -> None:
         html = prepare_content(content)
         if self._props.get('innerHTML') != html:
             self._props['innerHTML'] = html
-            self.run_method('update', html)
+            self.update()
 
 
 @lru_cache(maxsize=int(os.environ.get('RST_CONTENT_CACHE_SIZE', '1000')))
diff --git a/nicegui/functions/javascript.py b/nicegui/functions/javascript.py
index 624d78c79..2466f890a 100644
--- a/nicegui/functions/javascript.py
+++ b/nicegui/functions/javascript.py
@@ -2,11 +2,10 @@
 
 from .. import context
 from ..awaitable_response import AwaitableResponse
-from ..logging import log
 
 
 def run_javascript(code: str, *,
-                   respond: Optional[bool] = None,  # DEPRECATED
+                   respond: Optional[bool] = None,
                    timeout: float = 1.0, check_interval: float = 0.01) -> AwaitableResponse:
     """Run JavaScript
 
@@ -19,17 +18,7 @@ def run_javascript(code: str, *,
 
     :param code: JavaScript code to run
     :param timeout: timeout in seconds (default: `1.0`)
-    :param check_interval: interval in seconds to check for a response (default: `0.01`)
 
     :return: AwaitableResponse that can be awaited to get the result of the JavaScript code
     """
-    if respond is True:
-        log.warning('The "respond" argument of run_javascript() has been removed. '
-                    'Now the function always returns an AwaitableResponse that can be awaited. '
-                    'Please remove the "respond=True" argument.')
-    if respond is False:
-        raise ValueError('The "respond" argument of run_javascript() has been removed. '
-                         'Now the function always returns an AwaitableResponse that can be awaited. '
-                         'Please remove the "respond=False" argument and call the function without awaiting.')
-
-    return context.get_client().run_javascript(code, timeout=timeout, check_interval=check_interval)
+    return context.get_client().run_javascript(code, respond=respond, timeout=timeout, check_interval=check_interval)
diff --git a/nicegui/javascript_request.py b/nicegui/javascript_request.py
new file mode 100644
index 000000000..2a9515eb8
--- /dev/null
+++ b/nicegui/javascript_request.py
@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import asyncio
+from typing import Any, Dict
+
+
+class JavaScriptRequest:
+    _instances: Dict[str, JavaScriptRequest] = {}
+
+    def __init__(self, request_id: str, *, timeout: float) -> None:
+        self.request_id = request_id
+        self._instances[request_id] = self
+        self.timeout = timeout
+        self._event = asyncio.Event()
+        self._result: Any = None
+
+    @classmethod
+    def resolve(cls, request_id: str, result: Any) -> None:
+        """Store the result of a JavaScript request and unblock the awaiter."""
+        request = cls._instances[request_id]
+        request._result = result  # pylint: disable=protected-access
+        request._event.set()  # pylint: disable=protected-access
+
+    def __await__(self) -> Any:
+        try:
+            yield from asyncio.wait_for(self._event.wait(), self.timeout).__await__()
+        except asyncio.TimeoutError as e:
+            raise TimeoutError(f'JavaScript did not respond within {self.timeout:.1f} s') from e
+        else:
+            return self._result
+        finally:
+            self._instances.pop(self.request_id)
diff --git a/nicegui/native/native_mode.py b/nicegui/native/native_mode.py
index 0787bd0d2..42085227e 100644
--- a/nicegui/native/native_mode.py
+++ b/nicegui/native/native_mode.py
@@ -87,7 +87,7 @@ def window_method_executor() -> None:
                     else:
                         log.error(f'window.{method_name} is not callable')
             except queue.Empty:
-                time.sleep(0.01)
+                time.sleep(0.016)  # NOTE: avoid issue https://github.com/zauberzeug/nicegui/issues/2482 on Windows
             except Exception:
                 log.exception(f'error in window.{method_name}')
 
diff --git a/website/documentation/content/section_audiovisual_elements.py b/website/documentation/content/section_audiovisual_elements.py
index 096ec11a6..f2ad48f1d 100644
--- a/website/documentation/content/section_audiovisual_elements.py
+++ b/website/documentation/content/section_audiovisual_elements.py
@@ -21,9 +21,9 @@ def captions_and_overlays_demo():
     with ui.image('https://cdn.stocksnap.io/img-thumbs/960w/airplane-sky_DYPWDEEILG.jpg'):
         ui.html('''
             <svg viewBox="0 0 960 638" width="100%" height="100%" xmlns="http://www.w3.org/2000/svg">
-            <circle cx="445" cy="300" r="100" fill="none" stroke="red" stroke-width="20" />
+            <circle cx="445" cy="300" r="100" fill="none" stroke="red" stroke-width="10" />
             </svg>
-        ''').classes('bg-transparent')
+        ''').classes('w-full bg-transparent')
 
 
 doc.intro(interactive_image_documentation)