Struct web_sys::IntersectionObserver

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

The IntersectionObserver class.

MDN Documentation

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

Methods

impl IntersectionObserver

pub fn root(&self) -> Option<Element>

Getter for the root field of this object.

MDN Documentation

This API requires the following crate features to be activated: Element, IntersectionObserver

impl IntersectionObserver

pub fn root_margin(&self) -> String

Getter for the rootMargin field of this object.

MDN Documentation

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

impl IntersectionObserver

pub fn thresholds(&self) -> Array

Getter for the thresholds field of this object.

MDN Documentation

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

impl IntersectionObserver

pub fn new(
    intersection_callback: &Function
) -> Result<IntersectionObserver, JsValue>

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

MDN Documentation

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

impl IntersectionObserver

pub fn new_with_options(
    intersection_callback: &Function,
    options: &IntersectionObserverInit
) -> Result<IntersectionObserver, JsValue>

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

MDN Documentation

This API requires the following crate features to be activated: IntersectionObserver, IntersectionObserverInit

impl IntersectionObserver

pub fn disconnect(&self)

The disconnect() method.

MDN Documentation

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

impl IntersectionObserver

pub fn observe(&self, target: &Element)

The observe() method.

MDN Documentation

This API requires the following crate features to be activated: Element, IntersectionObserver

impl IntersectionObserver

pub fn take_records(&self) -> Array

The takeRecords() method.

MDN Documentation

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

impl IntersectionObserver

pub fn unobserve(&self, target: &Element)

The unobserve() method.

MDN Documentation

This API requires the following crate features to be activated: Element, IntersectionObserver

Trait Implementations

impl AsRef<IntersectionObserver> for IntersectionObserver

fn as_ref(&self) -> &IntersectionObserver

Performs the conversion.

impl AsRef<JsValue> for IntersectionObserver

fn as_ref(&self) -> &JsValue

Performs the conversion.

impl AsRef<Object> for IntersectionObserver

fn as_ref(&self) -> &Object

Performs the conversion.

impl Clone for IntersectionObserver

fn clone(&self) -> IntersectionObserver

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for IntersectionObserver

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

Formats the value using the given formatter.

impl Deref for IntersectionObserver

type Target = Object

The resulting type after dereferencing.

fn deref(&self) -> &Object

Dereferences the value.

impl Eq for IntersectionObserver

impl From<IntersectionObserver> for JsValue

fn from(obj: IntersectionObserver) -> JsValue

Performs the conversion.

impl From<IntersectionObserver> for Object

fn from(obj: IntersectionObserver) -> Object

Performs the conversion.

impl From<JsValue> for IntersectionObserver

fn from(obj: JsValue) -> IntersectionObserver

Performs the conversion.

impl FromWasmAbi for IntersectionObserver

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) -> Self

Recover a Self from Self::Abi.

impl IntoWasmAbi for IntersectionObserver

type Abi = <JsValue as IntoWasmAbi>::Abi

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

fn into_abi(self) -> Self::Abi

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

impl<'a> IntoWasmAbi for &'a IntersectionObserver

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

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

fn into_abi(self) -> Self::Abi

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

impl JsCast for IntersectionObserver

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

Test whether this JS value has a 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.

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

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

fn is_type_of(val: &JsValue) -> bool

Performs a dynamic check to see whether the JsValue provided is a value of this type.

impl OptionFromWasmAbi for IntersectionObserver

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 OptionIntoWasmAbi for IntersectionObserver

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 IntersectionObserver

fn none() -> Self::Abi

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

impl PartialEq<IntersectionObserver> for IntersectionObserver

fn eq(&self, other: &IntersectionObserver) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &IntersectionObserver) -> bool

This method tests for !=.

impl RefFromWasmAbi for IntersectionObserver

type Abi = <JsValue as RefFromWasmAbi>::Abi

The wasm ABI type references to Self are recovered from.

type Anchor = ManuallyDrop<IntersectionObserver>

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) -> Self::Anchor

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

impl StructuralEq for IntersectionObserver

impl StructuralPartialEq for IntersectionObserver

impl WasmDescribe for IntersectionObserver

fn describe()