Struct web_sys::AudioContext

#[repr(transparent)]
pub struct AudioContext { /* fields omitted */ }

The AudioContext object

MDN Documentation

This API requires the following crate features to be activated: AudioContext

Methods

impl AudioContext

pub fn new() -> Result<AudioContext, JsValue>

The new AudioContext(..) constructor, creating a new instance of AudioContext

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn new_with_context_options(     context_options: &AudioContextOptions ) -> Result<AudioContext, JsValue>

The new AudioContext(..) constructor, creating a new instance of AudioContext

MDN Documentation

This API requires the following crate features to be activated: AudioContext, AudioContextOptions

impl AudioContext

pub fn close(&self) -> Result<Promise, JsValue>

The close() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn create_media_element_source(     &self,     media_element: &HtmlMediaElement ) -> Result<MediaElementAudioSourceNode, JsValue>

The createMediaElementSource() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, HtmlMediaElement, MediaElementAudioSourceNode

impl AudioContext

pub fn create_media_stream_destination(     &self ) -> Result<MediaStreamAudioDestinationNode, JsValue>

The createMediaStreamDestination() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, MediaStreamAudioDestinationNode

impl AudioContext

pub fn create_media_stream_source(     &self,     media_stream: &MediaStream ) -> Result<MediaStreamAudioSourceNode, JsValue>

The createMediaStreamSource() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, MediaStream, MediaStreamAudioSourceNode

impl AudioContext

pub fn suspend(&self) -> Result<Promise, JsValue>

The suspend() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn create_analyser(&self) -> Result<AnalyserNode, JsValue>

The createAnalyser() method

MDN Documentation

This API requires the following crate features to be activated: AnalyserNode, AudioContext

impl AudioContext

pub fn create_biquad_filter(&self) -> Result<BiquadFilterNode, JsValue>

The createBiquadFilter() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, BiquadFilterNode

impl AudioContext

pub fn create_buffer(     &self,     number_of_channels: u32,     length: u32,     sample_rate: f32 ) -> Result<AudioBuffer, JsValue>

The createBuffer() method

MDN Documentation

This API requires the following crate features to be activated: AudioBuffer, AudioContext

impl AudioContext

pub fn create_buffer_source(&self) -> Result<AudioBufferSourceNode, JsValue>

The createBufferSource() method

MDN Documentation

This API requires the following crate features to be activated: AudioBufferSourceNode, AudioContext

impl AudioContext

pub fn create_channel_merger(&self) -> Result<ChannelMergerNode, JsValue>

The createChannelMerger() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ChannelMergerNode

impl AudioContext

pub fn create_channel_merger_with_number_of_inputs(     &self,     number_of_inputs: u32 ) -> Result<ChannelMergerNode, JsValue>

The createChannelMerger() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ChannelMergerNode

impl AudioContext

pub fn create_channel_splitter(&self) -> Result<ChannelSplitterNode, JsValue>

The createChannelSplitter() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ChannelSplitterNode

impl AudioContext

pub fn create_channel_splitter_with_number_of_outputs(     &self,     number_of_outputs: u32 ) -> Result<ChannelSplitterNode, JsValue>

The createChannelSplitter() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ChannelSplitterNode

impl AudioContext

pub fn create_constant_source(&self) -> Result<ConstantSourceNode, JsValue>

The createConstantSource() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ConstantSourceNode

impl AudioContext

pub fn create_convolver(&self) -> Result<ConvolverNode, JsValue>

The createConvolver() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ConvolverNode

impl AudioContext

pub fn create_delay(&self) -> Result<DelayNode, JsValue>

The createDelay() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, DelayNode

impl AudioContext

pub fn create_delay_with_max_delay_time(     &self,     max_delay_time: f64 ) -> Result<DelayNode, JsValue>

The createDelay() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, DelayNode

impl AudioContext

pub fn create_dynamics_compressor(     &self ) -> Result<DynamicsCompressorNode, JsValue>

The createDynamicsCompressor() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, DynamicsCompressorNode

impl AudioContext

pub fn create_gain(&self) -> Result<GainNode, JsValue>

The createGain() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, GainNode

impl AudioContext

pub fn create_iir_filter(     &self,     feedforward: &JsValue,     feedback: &JsValue ) -> Result<IirFilterNode, JsValue>

The createIIRFilter() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, IirFilterNode

impl AudioContext

pub fn create_oscillator(&self) -> Result<OscillatorNode, JsValue>

The createOscillator() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, OscillatorNode

impl AudioContext

pub fn create_panner(&self) -> Result<PannerNode, JsValue>

The createPanner() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, PannerNode

impl AudioContext

pub fn create_periodic_wave(     &self,     real: &mut [f32],     imag: &mut [f32] ) -> Result<PeriodicWave, JsValue>

The createPeriodicWave() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, PeriodicWave

impl AudioContext

pub fn create_periodic_wave_with_constraints(     &self,     real: &mut [f32],     imag: &mut [f32],     constraints: &PeriodicWaveConstraints ) -> Result<PeriodicWave, JsValue>

The createPeriodicWave() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, PeriodicWave, PeriodicWaveConstraints

impl AudioContext

pub fn create_script_processor(&self) -> Result<ScriptProcessorNode, JsValue>

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ScriptProcessorNode

impl AudioContext

pub fn create_script_processor_with_buffer_size(     &self,     buffer_size: u32 ) -> Result<ScriptProcessorNode, JsValue>

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ScriptProcessorNode

impl AudioContext

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels(     &self,     buffer_size: u32,     number_of_input_channels: u32 ) -> Result<ScriptProcessorNode, JsValue>

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ScriptProcessorNode

impl AudioContext

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels_and_number_of_output_channels(     &self,     buffer_size: u32,     number_of_input_channels: u32,     number_of_output_channels: u32 ) -> Result<ScriptProcessorNode, JsValue>

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, ScriptProcessorNode

impl AudioContext

pub fn create_stereo_panner(&self) -> Result<StereoPannerNode, JsValue>

The createStereoPanner() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, StereoPannerNode

impl AudioContext

pub fn create_wave_shaper(&self) -> Result<WaveShaperNode, JsValue>

The createWaveShaper() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext, WaveShaperNode

impl AudioContext

pub fn decode_audio_data(     &self,     audio_data: &ArrayBuffer ) -> Result<Promise, JsValue>

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn decode_audio_data_with_success_callback(     &self,     audio_data: &ArrayBuffer,     success_callback: &Function ) -> Result<Promise, JsValue>

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn decode_audio_data_with_success_callback_and_error_callback(     &self,     audio_data: &ArrayBuffer,     success_callback: &Function,     error_callback: &Function ) -> Result<Promise, JsValue>

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn resume(&self) -> Result<Promise, JsValue>

The resume() method

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn destination(&self) -> AudioDestinationNode

The destination getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext, AudioDestinationNode

impl AudioContext

pub fn sample_rate(&self) -> f32

The sampleRate getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn current_time(&self) -> f64

The currentTime getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn listener(&self) -> AudioListener

The listener getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext, AudioListener

impl AudioContext

pub fn state(&self) -> AudioContextState

The state getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext, AudioContextState

impl AudioContext

pub fn audio_worklet(&self) -> Result<AudioWorklet, JsValue>

The audioWorklet getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext, AudioWorklet

impl AudioContext

pub fn onstatechange(&self) -> Option<Function>

The onstatechange getter

MDN Documentation

This API requires the following crate features to be activated: AudioContext

impl AudioContext

pub fn set_onstatechange(&self, onstatechange: Option<&Function>)

The onstatechange setter

MDN Documentation

This API requires the following crate features to be activated: AudioContext

Methods from Deref<Target = BaseAudioContext>

pub fn create_analyser(&self) -> Result<AnalyserNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createAnalyser() method

MDN Documentation

This API requires the following crate features to be activated: AnalyserNode, BaseAudioContext

pub fn create_biquad_filter(&self) -> Result<BiquadFilterNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createBiquadFilter() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, BiquadFilterNode

pub fn create_buffer(     &self,     number_of_channels: u32,     length: u32,     sample_rate: f32 ) -> Result<AudioBuffer, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createBuffer() method

MDN Documentation

This API requires the following crate features to be activated: AudioBuffer, BaseAudioContext

pub fn create_buffer_source(&self) -> Result<AudioBufferSourceNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createBufferSource() method

MDN Documentation

This API requires the following crate features to be activated: AudioBufferSourceNode, BaseAudioContext

pub fn create_channel_merger(&self) -> Result<ChannelMergerNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createChannelMerger() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ChannelMergerNode

pub fn create_channel_merger_with_number_of_inputs(     &self,     number_of_inputs: u32 ) -> Result<ChannelMergerNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createChannelMerger() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ChannelMergerNode

pub fn create_channel_splitter(&self) -> Result<ChannelSplitterNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createChannelSplitter() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ChannelSplitterNode

pub fn create_channel_splitter_with_number_of_outputs(     &self,     number_of_outputs: u32 ) -> Result<ChannelSplitterNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createChannelSplitter() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ChannelSplitterNode

pub fn create_constant_source(&self) -> Result<ConstantSourceNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createConstantSource() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ConstantSourceNode

pub fn create_convolver(&self) -> Result<ConvolverNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createConvolver() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ConvolverNode

pub fn create_delay(&self) -> Result<DelayNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createDelay() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, DelayNode

pub fn create_delay_with_max_delay_time(     &self,     max_delay_time: f64 ) -> Result<DelayNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createDelay() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, DelayNode

pub fn create_dynamics_compressor(     &self ) -> Result<DynamicsCompressorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createDynamicsCompressor() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, DynamicsCompressorNode

pub fn create_gain(&self) -> Result<GainNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createGain() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, GainNode

pub fn create_iir_filter(     &self,     feedforward: &JsValue,     feedback: &JsValue ) -> Result<IirFilterNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createIIRFilter() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, IirFilterNode

pub fn create_oscillator(&self) -> Result<OscillatorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createOscillator() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, OscillatorNode

pub fn create_panner(&self) -> Result<PannerNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createPanner() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, PannerNode

pub fn create_periodic_wave(     &self,     real: &mut [f32],     imag: &mut [f32] ) -> Result<PeriodicWave, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createPeriodicWave() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, PeriodicWave

pub fn create_periodic_wave_with_constraints(     &self,     real: &mut [f32],     imag: &mut [f32],     constraints: &PeriodicWaveConstraints ) -> Result<PeriodicWave, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createPeriodicWave() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, PeriodicWave, PeriodicWaveConstraints

pub fn create_script_processor(&self) -> Result<ScriptProcessorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ScriptProcessorNode

pub fn create_script_processor_with_buffer_size(     &self,     buffer_size: u32 ) -> Result<ScriptProcessorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ScriptProcessorNode

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels(     &self,     buffer_size: u32,     number_of_input_channels: u32 ) -> Result<ScriptProcessorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ScriptProcessorNode

pub fn create_script_processor_with_buffer_size_and_number_of_input_channels_and_number_of_output_channels(     &self,     buffer_size: u32,     number_of_input_channels: u32,     number_of_output_channels: u32 ) -> Result<ScriptProcessorNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createScriptProcessor() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, ScriptProcessorNode

pub fn create_stereo_panner(&self) -> Result<StereoPannerNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createStereoPanner() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, StereoPannerNode

pub fn create_wave_shaper(&self) -> Result<WaveShaperNode, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The createWaveShaper() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext, WaveShaperNode

pub fn decode_audio_data(     &self,     audio_data: &ArrayBuffer ) -> Result<Promise, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn decode_audio_data_with_success_callback(     &self,     audio_data: &ArrayBuffer,     success_callback: &Function ) -> Result<Promise, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn decode_audio_data_with_success_callback_and_error_callback(     &self,     audio_data: &ArrayBuffer,     success_callback: &Function,     error_callback: &Function ) -> Result<Promise, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The decodeAudioData() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn resume(&self) -> Result<Promise, JsValue>

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The resume() method

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn destination(&self) -> AudioDestinationNode

The destination getter

MDN Documentation

This API requires the following crate features to be activated: AudioDestinationNode, BaseAudioContext

pub fn sample_rate(&self) -> f32

The sampleRate getter

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn current_time(&self) -> f64

The currentTime getter

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn listener(&self) -> AudioListener

The listener getter

MDN Documentation

This API requires the following crate features to be activated: AudioListener, BaseAudioContext

pub fn state(&self) -> AudioContextState

The state getter

MDN Documentation

This API requires the following crate features to be activated: AudioContextState, BaseAudioContext

pub fn audio_worklet(&self) -> Result<AudioWorklet, JsValue>

The audioWorklet getter

MDN Documentation

This API requires the following crate features to be activated: AudioWorklet, BaseAudioContext

pub fn onstatechange(&self) -> Option<Function>

The onstatechange getter

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

pub fn set_onstatechange(&self, onstatechange: Option<&Function>)

Deprecated:

doesn't exist in Safari, use AudioContext instead now

The onstatechange setter

MDN Documentation

This API requires the following crate features to be activated: BaseAudioContext

Trait Implementations

impl AsRef<JsValue> for AudioContext

fn as_ref(&self) -> &JsValue

Performs the conversion.

impl AsRef<BaseAudioContext> for AudioContext

fn as_ref(&self) -> &BaseAudioContext

Performs the conversion.

impl AsRef<EventTarget> for AudioContext

fn as_ref(&self) -> &EventTarget

Performs the conversion.

impl AsRef<Object> for AudioContext

fn as_ref(&self) -> &Object

Performs the conversion.

impl Clone for AudioContext

fn clone(&self) -> AudioContext

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl From<JsValue> for AudioContext

fn from(obj: JsValue) -> AudioContext

Performs the conversion.

impl From<AudioContext> for JsValue

fn from(obj: AudioContext) -> JsValue

Performs the conversion.

impl From<AudioContext> for BaseAudioContext

fn from(obj: AudioContext) -> BaseAudioContext

Performs the conversion.

impl From<AudioContext> for EventTarget

fn from(obj: AudioContext) -> EventTarget

Performs the conversion.

impl From<AudioContext> for Object

fn from(obj: AudioContext) -> Object

Performs the conversion.

impl Debug for AudioContext

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Deref for AudioContext

type Target = BaseAudioContext

The resulting type after dereferencing.

fn deref(&self) -> &BaseAudioContext

Dereferences the value.

impl FromWasmAbi for AudioContext

type Abi = <JsValue as FromWasmAbi>::Abi

The wasm ABI type that this converts from when coming back out from the ABI boundary.

unsafe fn from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self

Recover a Self from Self::Abi.

impl IntoWasmAbi for AudioContext

type Abi = <JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl<'a> IntoWasmAbi for &'a AudioContext

type Abi = <&'a JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl WasmDescribe for AudioContext

fn describe()

impl OptionIntoWasmAbi for AudioContext

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl<'a> OptionIntoWasmAbi for &'a AudioContext

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl OptionFromWasmAbi for AudioContext

fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a "none" instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi.

impl RefFromWasmAbi for AudioContext

type Abi = <JsValue as RefFromWasmAbi>::Abi

The wasm ABI type references to Self are recovered from.

type Anchor = ManuallyDrop<AudioContext>

The type that holds the reference to 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.

unsafe fn ref_from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self::Anchor

Recover a Self::Anchor from Self::Abi.

impl JsCast for AudioContext

fn instanceof(val: &JsValue) -> bool

Performs a dynamic instanceof check to see whether the JsValue provided is an instance of this type.

fn unchecked_from_js(val: JsValue) -> Self

Performs a zero-cost unchecked conversion from a JsValue into an instance of Self

fn unchecked_from_js_ref(val: &JsValue) -> &Self

Performs a zero-cost unchecked conversion from a &JsValue into an instance of &Self.

fn is_instance_of<T>(&self) -> bool where     T: JsCast,

Test whether this JS value is an instance of the type T.

fn dyn_into<T>(self) -> Result<T, Self> where     T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T.

fn dyn_ref<T>(&self) -> Option<&T> where     T: JsCast,

Performs a dynamic cast (checked at runtime) of this value into the target type T.

fn unchecked_into<T>(self) -> T where     T: JsCast,

Performs a zero-cost unchecked cast into the specified type.

fn unchecked_ref<T>(&self) -> &T where     T: JsCast,

Performs a zero-cost unchecked cast into a reference to the specified type.