Struct web_sys::MediaCapabilitiesInfo
source · #[repr(transparent)]pub struct MediaCapabilitiesInfo { /* private fields */ }
Expand description
The MediaCapabilitiesInfo
object
This API requires the following crate features to be activated: MediaCapabilitiesInfo
Implementations§
source§impl MediaCapabilitiesInfo
impl MediaCapabilitiesInfo
source§impl MediaCapabilitiesInfo
impl MediaCapabilitiesInfo
source§impl MediaCapabilitiesInfo
impl MediaCapabilitiesInfo
sourcepub fn power_efficient(&self) -> bool
pub fn power_efficient(&self) -> bool
The powerEfficient
getter
This API requires the following crate features to be activated: MediaCapabilitiesInfo
Methods from Deref<Target = Object>§
sourcepub fn has_own_property(&self, property: &JsValue) -> bool
pub fn has_own_property(&self, property: &JsValue) -> bool
The hasOwnProperty()
method returns a boolean indicating whether the
object has the specified property as its own property (as opposed to
inheriting it).
sourcepub fn is_prototype_of(&self, value: &JsValue) -> bool
pub fn is_prototype_of(&self, value: &JsValue) -> bool
The isPrototypeOf()
method checks if an object exists in another
object’s prototype chain.
sourcepub fn property_is_enumerable(&self, property: &JsValue) -> bool
pub fn property_is_enumerable(&self, property: &JsValue) -> bool
The propertyIsEnumerable()
method returns a Boolean indicating
whether the specified property is enumerable.
sourcepub fn to_locale_string(&self) -> JsString
pub fn to_locale_string(&self) -> JsString
The toLocaleString()
method returns a string representing the object.
This method is meant to be overridden by derived objects for
locale-specific purposes.
Methods from Deref<Target = JsValue>§
pub const NULL: JsValue = JsValue{ idx: JSIDX_NULL, _marker: marker::PhantomData,}
pub const UNDEFINED: JsValue = JsValue{ idx: JSIDX_UNDEFINED, _marker: marker::PhantomData,}
pub const TRUE: JsValue = JsValue{ idx: JSIDX_TRUE, _marker: marker::PhantomData,}
pub const FALSE: JsValue = JsValue{ idx: JSIDX_FALSE, _marker: marker::PhantomData,}
sourcepub fn as_f64(&self) -> Option<f64>
pub fn as_f64(&self) -> Option<f64>
Returns the f64
value of this JS value if it’s an instance of a
number.
If this JS value is not an instance of a number then this returns
None
.
sourcepub fn as_string(&self) -> Option<String>
pub fn as_string(&self) -> Option<String>
If this JS value is a string value, this function copies the JS string
value into wasm linear memory, encoded as UTF-8, and returns it as a
Rust String
.
To avoid the copying and re-encoding, consider the
JsString::try_from()
function from js-sys
instead.
If this JS value is not an instance of a string or if it’s not valid
utf-8 then this returns None
.
sourcepub fn as_bool(&self) -> Option<bool>
pub fn as_bool(&self) -> Option<bool>
Returns the bool
value of this JS value if it’s an instance of a
boolean.
If this JS value is not an instance of a boolean then this returns
None
.
sourcepub fn is_undefined(&self) -> bool
pub fn is_undefined(&self) -> bool
Tests whether this JS value is undefined
sourcepub fn is_function(&self) -> bool
pub fn is_function(&self) -> bool
Tests whether the type of this JS value is function
.
Trait Implementations§
source§impl AsRef<JsValue> for MediaCapabilitiesInfo
impl AsRef<JsValue> for MediaCapabilitiesInfo
source§impl AsRef<Object> for MediaCapabilitiesInfo
impl AsRef<Object> for MediaCapabilitiesInfo
source§impl Clone for MediaCapabilitiesInfo
impl Clone for MediaCapabilitiesInfo
source§fn clone(&self) -> MediaCapabilitiesInfo
fn clone(&self) -> MediaCapabilitiesInfo
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for MediaCapabilitiesInfo
impl Debug for MediaCapabilitiesInfo
source§impl Deref for MediaCapabilitiesInfo
impl Deref for MediaCapabilitiesInfo
source§impl From<JsValue> for MediaCapabilitiesInfo
impl From<JsValue> for MediaCapabilitiesInfo
source§fn from(obj: JsValue) -> MediaCapabilitiesInfo
fn from(obj: JsValue) -> MediaCapabilitiesInfo
source§impl From<MediaCapabilitiesInfo> for JsValue
impl From<MediaCapabilitiesInfo> for JsValue
source§fn from(obj: MediaCapabilitiesInfo) -> JsValue
fn from(obj: MediaCapabilitiesInfo) -> JsValue
source§impl From<MediaCapabilitiesInfo> for Object
impl From<MediaCapabilitiesInfo> for Object
source§fn from(obj: MediaCapabilitiesInfo) -> Object
fn from(obj: MediaCapabilitiesInfo) -> Object
source§impl FromWasmAbi for MediaCapabilitiesInfo
impl FromWasmAbi for MediaCapabilitiesInfo
source§impl<'a> IntoWasmAbi for &'a MediaCapabilitiesInfo
impl<'a> IntoWasmAbi for &'a MediaCapabilitiesInfo
source§impl IntoWasmAbi for MediaCapabilitiesInfo
impl IntoWasmAbi for MediaCapabilitiesInfo
source§impl JsCast for MediaCapabilitiesInfo
impl JsCast for MediaCapabilitiesInfo
source§fn instanceof(val: &JsValue) -> bool
fn instanceof(val: &JsValue) -> bool
instanceof
check to see whether the JsValue
provided is an instance of this type. Read moresource§fn unchecked_from_js(val: JsValue) -> Self
fn unchecked_from_js(val: JsValue) -> Self
source§fn unchecked_from_js_ref(val: &JsValue) -> &Self
fn unchecked_from_js_ref(val: &JsValue) -> &Self
source§fn is_instance_of<T>(&self) -> boolwhere
T: JsCast,
fn is_instance_of<T>(&self) -> boolwhere
T: JsCast,
T
. Read moresource§fn dyn_into<T>(self) -> Result<T, Self>where
T: JsCast,
fn dyn_into<T>(self) -> Result<T, Self>where
T: JsCast,
T
. Read moresource§fn dyn_ref<T>(&self) -> Option<&T>where
T: JsCast,
fn dyn_ref<T>(&self) -> Option<&T>where
T: JsCast,
T
. Read moresource§fn unchecked_into<T>(self) -> Twhere
T: JsCast,
fn unchecked_into<T>(self) -> Twhere
T: JsCast,
source§impl<'a> OptionIntoWasmAbi for &'a MediaCapabilitiesInfo
impl<'a> OptionIntoWasmAbi for &'a MediaCapabilitiesInfo
source§impl RefFromWasmAbi for MediaCapabilitiesInfo
impl RefFromWasmAbi for MediaCapabilitiesInfo
§type Abi = <JsValue as RefFromWasmAbi>::Abi
type Abi = <JsValue as RefFromWasmAbi>::Abi
Self
are recovered from.§type Anchor = ManuallyDrop<MediaCapabilitiesInfo>
type Anchor = ManuallyDrop<MediaCapabilitiesInfo>
Self
for the duration of the
invocation of the function that has an &Self
parameter. This is
required to ensure that the lifetimes don’t persist beyond one function
call, and so that they remain anonymous. Read moreAuto Trait Implementations§
impl RefUnwindSafe for MediaCapabilitiesInfo
impl !Send for MediaCapabilitiesInfo
impl !Sync for MediaCapabilitiesInfo
impl Unpin for MediaCapabilitiesInfo
impl UnwindSafe for MediaCapabilitiesInfo
Blanket Implementations§
source§impl<T> ReturnWasmAbi for Twhere
T: IntoWasmAbi,
impl<T> ReturnWasmAbi for Twhere
T: IntoWasmAbi,
§type Abi = <T as IntoWasmAbi>::Abi
type Abi = <T as IntoWasmAbi>::Abi
IntoWasmAbi::Abi
source§fn return_abi(self, extra: &mut dyn Stack) -> <T as ReturnWasmAbi>::Abi
fn return_abi(self, extra: &mut dyn Stack) -> <T as ReturnWasmAbi>::Abi
IntoWasmAbi::into_abi
, except that it may throw and never
return in the case of Err
. Read more