RequestInit in web_sys - Rust [proxy]

Struct RequestInit

pub struct RequestInit { /* private fields */ }

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The RequestInit dictionary.

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

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Get the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Change the body field of this object.

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

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Get the cache field of this object.

This API requires the following crate features to be activated: RequestCache, RequestInit

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Change the cache field of this object.

This API requires the following crate features to be activated: RequestCache, RequestInit

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Get the credentials field of this object.

This API requires the following crate features to be activated: RequestCredentials, RequestInit

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Change the credentials field of this object.

This API requires the following crate features to be activated: RequestCredentials, RequestInit

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Get the headers field of this object.

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

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Change the headers field of this object.

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

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Change the headers field of this object.

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

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Change the headers field of this object.

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

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Change the headers field of this object.

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

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Get the integrity field of this object.

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

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Change the integrity field of this object.

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

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Get the method field of this object.

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

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Change the method field of this object.

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

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Get the mode field of this object.

This API requires the following crate features to be activated: RequestInit, RequestMode

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Change the mode field of this object.

This API requires the following crate features to be activated: RequestInit, RequestMode

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Get the observe field of this object.

This API requires the following crate features to be activated: ObserverCallback, RequestInit

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Change the observe field of this object.

This API requires the following crate features to be activated: ObserverCallback, RequestInit

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Change the observe field of this object.

This API requires the following crate features to be activated: ObserverCallback, RequestInit

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Change the observe field of this object.

This API requires the following crate features to be activated: ObserverCallback, RequestInit

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Get the redirect field of this object.

This API requires the following crate features to be activated: RequestInit, RequestRedirect

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Change the redirect field of this object.

This API requires the following crate features to be activated: RequestInit, RequestRedirect

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Get the referrer field of this object.

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

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Change the referrer field of this object.

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

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Get the referrerPolicy field of this object.

This API requires the following crate features to be activated: ReferrerPolicy, RequestInit

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Change the referrerPolicy field of this object.

This API requires the following crate features to be activated: ReferrerPolicy, RequestInit

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Get the signal field of this object.

This API requires the following crate features to be activated: AbortSignal, RequestInit

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Change the signal field of this object.

This API requires the following crate features to be activated: AbortSignal, RequestInit

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Construct a new RequestInit.

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

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👎Deprecated: Use set_body() instead.

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👎Deprecated: Use set_cache() instead.

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👎Deprecated: Use set_credentials() instead.

👎Deprecated: Use set_headers() instead.

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👎Deprecated: Use set_integrity() instead.

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👎Deprecated: Use set_method() instead.

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👎Deprecated: Use set_mode() instead.

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👎Deprecated: Use set_observe() instead.

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👎Deprecated: Use set_redirect() instead.

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👎Deprecated: Use set_referrer() instead.

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👎Deprecated: Use set_referrer_policy() instead.

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👎Deprecated: Use set_signal() instead.

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The constructor property returns a reference to the Object constructor function that created the instance object.

MDN documentation

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👎Deprecated: Use Object::hasOwn instead.

The hasOwnProperty() method returns a boolean indicating whether the object has the specified property as its own property (as opposed to inheriting it).

MDN documentation

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The isPrototypeOf() method checks if an object exists in another object’s prototype chain.

MDN documentation

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The propertyIsEnumerable() method returns a Boolean indicating whether the specified property is enumerable.

MDN documentation

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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.

MDN documentation

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The valueOf() method returns the primitive value of the specified object.

MDN documentation

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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.

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Tests whether this JS value is a JS 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.

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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.

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Tests whether this JS value is null

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Tests whether this JS value is undefined

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Tests whether this JS value is null or undefined

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Tests whether the type of this JS value is symbol

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Tests whether typeof self == "object" && self !== null.

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Tests whether this JS value is an instance of Array.

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Tests whether the type of this JS value is function.

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Tests whether the type of this JS value is bigint.

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Tests whether the value is “truthy”.

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Tests whether the value is “falsy”.

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Applies the binary / JS operator on two JsValues, catching and returning any RangeError thrown.

MDN documentation

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Converts this type into a shared reference of the (usually inferred) input type.

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Converts this type into a shared reference of the (usually inferred) input type.

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Converts this type into a shared reference of the (usually inferred) input type.

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The resulting type after dereferencing.

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Dereferences the value.

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The singular concrete type that all generic variants can be transmuted on

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Converts to this type from the input type.

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Converts to this type from the input type.

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Converts to this type from the input type.

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

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Recover a Self from Self::Abi. Read more

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

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

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

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

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

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

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

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Test whether this JS value has a type T. Read more

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

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

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

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

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

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

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Same as RefFromWasmAbi::Abi

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Same as RefFromWasmAbi::Anchor

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Same as RefFromWasmAbi::ref_from_abi

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

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Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more

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Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more

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Tests for self and other values to be equal, and is used by ==.

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Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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The type that this value resolves to.

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The Wasm ABI type references to Self are recovered from.

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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.

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

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