Struct web_sys::Selection [−][src]
The Selection
class.
This API requires the following crate features to be activated: Selection
Implementations
impl Selection
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pub fn anchor_node(&self) -> Option<Node>
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Getter for the anchorNode
field of this object.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn anchor_offset(&self) -> u32
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Getter for the anchorOffset
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn focus_node(&self) -> Option<Node>
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Getter for the focusNode
field of this object.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn focus_offset(&self) -> u32
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Getter for the focusOffset
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn is_collapsed(&self) -> bool
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Getter for the isCollapsed
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn range_count(&self) -> u32
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Getter for the rangeCount
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn type_(&self) -> String
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Getter for the type
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn caret_bidi_level(&self) -> Result<Option<i16>, JsValue>
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Getter for the caretBidiLevel
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn set_caret_bidi_level(&self, value: Option<i16>) -> Result<(), JsValue>
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Setter for the caretBidiLevel
field of this object.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn add_range(&self, range: &Range) -> Result<(), JsValue>
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The addRange()
method.
This API requires the following crate features to be activated: Range
, Selection
impl Selection
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pub fn collapse(&self, node: Option<&Node>) -> Result<(), JsValue>
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The collapse()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn collapse_with_offset(
&self,
node: Option<&Node>,
offset: u32
) -> Result<(), JsValue>
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&self,
node: Option<&Node>,
offset: u32
) -> Result<(), JsValue>
The collapse()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn collapse_to_end(&self) -> Result<(), JsValue>
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The collapseToEnd()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn collapse_to_start(&self) -> Result<(), JsValue>
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The collapseToStart()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn contains_node(&self, node: &Node) -> Result<bool, JsValue>
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The containsNode()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn contains_node_with_allow_partial_containment(
&self,
node: &Node,
allow_partial_containment: bool
) -> Result<bool, JsValue>
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&self,
node: &Node,
allow_partial_containment: bool
) -> Result<bool, JsValue>
The containsNode()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn delete_from_document(&self) -> Result<(), JsValue>
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The deleteFromDocument()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn empty(&self) -> Result<(), JsValue>
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The empty()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn extend(&self, node: &Node) -> Result<(), JsValue>
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The extend()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn extend_with_offset(
&self,
node: &Node,
offset: u32
) -> Result<(), JsValue>
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&self,
node: &Node,
offset: u32
) -> Result<(), JsValue>
The extend()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn get_range_at(&self, index: u32) -> Result<Range, JsValue>
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The getRangeAt()
method.
This API requires the following crate features to be activated: Range
, Selection
impl Selection
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pub fn modify(
&self,
alter: &str,
direction: &str,
granularity: &str
) -> Result<(), JsValue>
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&self,
alter: &str,
direction: &str,
granularity: &str
) -> Result<(), JsValue>
The modify()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn remove_all_ranges(&self) -> Result<(), JsValue>
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The removeAllRanges()
method.
This API requires the following crate features to be activated: Selection
impl Selection
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pub fn remove_range(&self, range: &Range) -> Result<(), JsValue>
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The removeRange()
method.
This API requires the following crate features to be activated: Range
, Selection
impl Selection
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pub fn select_all_children(&self, node: &Node) -> Result<(), JsValue>
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The selectAllChildren()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn set_base_and_extent(
&self,
anchor_node: &Node,
anchor_offset: u32,
focus_node: &Node,
focus_offset: u32
) -> Result<(), JsValue>
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&self,
anchor_node: &Node,
anchor_offset: u32,
focus_node: &Node,
focus_offset: u32
) -> Result<(), JsValue>
The setBaseAndExtent()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn set_position(&self, node: Option<&Node>) -> Result<(), JsValue>
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The setPosition()
method.
This API requires the following crate features to be activated: Node
, Selection
impl Selection
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pub fn set_position_with_offset(
&self,
node: Option<&Node>,
offset: u32
) -> Result<(), JsValue>
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&self,
node: Option<&Node>,
offset: u32
) -> Result<(), JsValue>
The setPosition()
method.
This API requires the following crate features to be activated: Node
, Selection
Methods from Deref<Target = Object>
pub fn constructor(&self) -> Function
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The constructor property returns a reference to the Object
constructor
function that created the instance object.
pub fn has_own_property(&self, property: &JsValue) -> bool
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The hasOwnProperty()
method returns a boolean indicating whether the
object has the specified property as its own property (as opposed to
inheriting it).
pub fn is_prototype_of(&self, value: &JsValue) -> bool
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The isPrototypeOf()
method checks if an object exists in another
object’s prototype chain.
pub fn property_is_enumerable(&self, property: &JsValue) -> bool
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The propertyIsEnumerable()
method returns a Boolean indicating
whether the specified property is enumerable.
pub fn to_locale_string(&self) -> JsString
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The toLocaleString()
method returns a string representing the object.
This method is meant to be overridden by derived objects for
locale-specific purposes.
pub fn to_string(&self) -> JsString
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The toString()
method returns a string representing the object.
pub fn value_of(&self) -> Object
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The valueOf()
method returns the primitive value of the
specified object.
Methods from Deref<Target = JsValue>
pub const NULL: JsValue
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pub const UNDEFINED: JsValue
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pub const TRUE: JsValue
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pub const FALSE: JsValue
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pub fn as_f64(&self) -> Option<f64>
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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
.
pub fn is_string(&self) -> bool
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Tests whether this JS value is a JS string.
pub fn as_string(&self) -> Option<String>
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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
.
UTF-16 vs UTF-8
JavaScript strings in general are encoded as UTF-16, but Rust strings
are encoded as UTF-8. This can cause the Rust string to look a bit
different than the JS string sometimes. For more details see the
documentation about the str
type which contains a few
caveats about the encodings.
pub fn as_bool(&self) -> Option<bool>
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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
.
pub fn is_null(&self) -> bool
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Tests whether this JS value is null
pub fn is_undefined(&self) -> bool
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Tests whether this JS value is undefined
pub fn is_symbol(&self) -> bool
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Tests whether the type of this JS value is symbol
pub fn is_object(&self) -> bool
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Tests whether typeof self == "object" && self !== null
.
pub fn is_function(&self) -> bool
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Tests whether the type of this JS value is function
.
pub fn is_truthy(&self) -> bool
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Tests whether the value is “truthy”.
pub fn is_falsy(&self) -> bool
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Tests whether the value is “falsy”.
Trait Implementations
impl AsRef<JsValue> for Selection
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impl AsRef<Object> for Selection
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impl AsRef<Selection> for Selection
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impl Clone for Selection
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impl Debug for Selection
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impl Deref for Selection
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impl Eq for Selection
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impl From<JsValue> for Selection
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impl From<Selection> for JsValue
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impl From<Selection> for Object
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impl FromWasmAbi for Selection
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type Abi = <JsValue as FromWasmAbi>::Abi
The wasm ABI type that this converts from when coming back out from the ABI boundary. Read more
unsafe fn from_abi(js: Self::Abi) -> Self
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impl IntoWasmAbi for Selection
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type Abi = <JsValue as IntoWasmAbi>::Abi
The wasm ABI type that this converts into when crossing the ABI boundary. Read more
fn into_abi(self) -> Self::Abi
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impl<'a> IntoWasmAbi for &'a Selection
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type Abi = <&'a JsValue as IntoWasmAbi>::Abi
The wasm ABI type that this converts into when crossing the ABI boundary. Read more
fn into_abi(self) -> Self::Abi
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impl JsCast for Selection
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fn instanceof(val: &JsValue) -> bool
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fn unchecked_from_js(val: JsValue) -> Self
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fn unchecked_from_js_ref(val: &JsValue) -> &Self
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pub fn has_type<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
pub fn dyn_into<T>(self) -> Result<T, Self> where
T: JsCast,
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T: JsCast,
pub fn dyn_ref<T>(&self) -> Option<&T> where
T: JsCast,
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T: JsCast,
pub fn unchecked_into<T>(self) -> T where
T: JsCast,
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T: JsCast,
pub fn unchecked_ref<T>(&self) -> &T where
T: JsCast,
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T: JsCast,
pub fn is_instance_of<T>(&self) -> bool where
T: JsCast,
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T: JsCast,
pub fn is_type_of(val: &JsValue) -> bool
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impl OptionFromWasmAbi for Selection
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impl OptionIntoWasmAbi for Selection
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impl<'a> OptionIntoWasmAbi for &'a Selection
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impl PartialEq<Selection> for Selection
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impl RefFromWasmAbi for Selection
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type Abi = <JsValue as RefFromWasmAbi>::Abi
The wasm ABI type references to Self
are recovered from.
type Anchor = ManuallyDrop<Selection>
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. Read more
unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor
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impl StructuralEq for Selection
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impl StructuralPartialEq for Selection
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impl WasmDescribe for Selection
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Auto Trait Implementations
impl RefUnwindSafe for Selection
impl !Send for Selection
impl !Sync for Selection
impl Unpin for Selection
impl UnwindSafe for Selection
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ReturnWasmAbi for T where
T: IntoWasmAbi,
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T: IntoWasmAbi,
type Abi = <T as IntoWasmAbi>::Abi
Same as IntoWasmAbi::Abi
pub fn return_abi(self) -> <T as ReturnWasmAbi>::Abi
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,