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Experimental WebAPI

Global

Values

addEventListener

Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.

The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.

When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.

When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in § 2.8 Observing event listeners.

When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.

If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.

The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture. Read more on MDN

let addEventListener: (
  ~type_: WebAPI.EventAPI.eventType,
  ~callback: WebAPI.EventAPI.eventListener<'event>,
  ~options: WebAPI.EventAPI.addEventListenerOptions=?,
) => unit

Parameters

WebAPI.EventAPI.eventType WebAPI.EventAPI.eventListener option< WebAPI.EventAPI.addEventListenerOptions >

Return type

unit

addEventListener_useCapture

Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.

The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.

When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.

When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in § 2.8 Observing event listeners.

When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.

If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.

The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture. Read more on MDN

let addEventListener_useCapture: (
  ~type_: WebAPI.EventAPI.eventType,
  ~callback: WebAPI.EventAPI.eventListener<'event>,
) => unit

Parameters

WebAPI.EventAPI.eventType WebAPI.EventAPI.eventListener

Return type

unit

alert

Read more on MDN

let alert: unit => unit

Parameters

unit

Return type

unit

alert2

Read more on MDN

let alert2: string => unit

Parameters

string

Return type

unit

atob

Read more on MDN

let atob: string => string

Parameters

string

Return type

string

btoa

Read more on MDN

let btoa: string => string

Parameters

string

Return type

string

caches

Read more on MDN

let caches: WebAPI.ServiceWorkerAPI.cacheStorage

cancelAnimationFrame

Read more on MDN

let cancelAnimationFrame: int => unit

Parameters

int

Return type

unit

cancelIdleCallback

Read more on MDN

let cancelIdleCallback: int => unit

Parameters

int

Return type

unit

clearInterval

Read more on MDN

let clearInterval: int => unit

Parameters

int

Return type

unit

clearTimeout

Read more on MDN

let clearTimeout: int => unit

Parameters

int

Return type

unit

close

Closes the window. Read more on MDN

let close: unit => unit

Parameters

unit

Return type

unit

closed

Returns true if the window has been closed, false otherwise. Read more on MDN

let closed: bool

confirm

Read more on MDN

let confirm: (~message: string=?) => bool

Parameters

option< string >

Return type

bool

createImageBitmap

Read more on MDN

let createImageBitmap: (
  ~image: WebAPI.DOMAPI.htmlImageElement,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlImageElement option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap10

Read more on MDN

let createImageBitmap10: (
  ~image: WebAPI.DOMAPI.htmlImageElement,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlImageElement int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap11

Read more on MDN

let createImageBitmap11: (
  ~image: WebAPI.DOMAPI.svgImageElement,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.svgImageElement int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap12

Read more on MDN

let createImageBitmap12: (
  ~image: WebAPI.DOMAPI.htmlVideoElement,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlVideoElement int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap13

Read more on MDN

let createImageBitmap13: (
  ~image: WebAPI.DOMAPI.htmlCanvasElement,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlCanvasElement int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap14

Read more on MDN

let createImageBitmap14: (
  ~image: WebAPI.CanvasAPI.imageBitmap,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.CanvasAPI.imageBitmap int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap15

Read more on MDN

let createImageBitmap15: (
  ~image: WebAPI.CanvasAPI.offscreenCanvas,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.CanvasAPI.offscreenCanvas int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap16

Read more on MDN

let createImageBitmap16: (
  ~image: WebAPI.DOMAPI.videoFrame,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.videoFrame int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap17

Read more on MDN

let createImageBitmap17: (
  ~image: WebAPI.FileAPI.blob,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.FileAPI.blob int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap18

Read more on MDN

let createImageBitmap18: (
  ~image: WebAPI.DOMAPI.imageData,
  ~sx: int,
  ~sy: int,
  ~sw: int,
  ~sh: int,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.imageData int int int int option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap2

Read more on MDN

let createImageBitmap2: (
  ~image: WebAPI.DOMAPI.svgImageElement,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.svgImageElement option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap3

Read more on MDN

let createImageBitmap3: (
  ~image: WebAPI.DOMAPI.htmlVideoElement,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlVideoElement option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap4

Read more on MDN

let createImageBitmap4: (
  ~image: WebAPI.DOMAPI.htmlCanvasElement,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.htmlCanvasElement option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap5

Read more on MDN

let createImageBitmap5: (
  ~image: WebAPI.CanvasAPI.imageBitmap,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.CanvasAPI.imageBitmap option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap6

Read more on MDN

let createImageBitmap6: (
  ~image: WebAPI.CanvasAPI.offscreenCanvas,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.CanvasAPI.offscreenCanvas option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap7

Read more on MDN

let createImageBitmap7: (
  ~image: WebAPI.DOMAPI.videoFrame,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.videoFrame option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap8

Read more on MDN

let createImageBitmap8: (
  ~image: WebAPI.FileAPI.blob,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.FileAPI.blob option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

createImageBitmap9

Read more on MDN

let createImageBitmap9: (
  ~image: WebAPI.DOMAPI.imageData,
  ~options: WebAPI.DOMAPI.imageBitmapOptions=?,
) => Promise.t<WebAPI.CanvasAPI.imageBitmap>

Parameters

WebAPI.DOMAPI.imageData option< WebAPI.DOMAPI.imageBitmapOptions >

Return type

Promise.t< WebAPI.CanvasAPI.imageBitmap >

crossOriginIsolated

Read more on MDN

let crossOriginIsolated: bool

crypto

Read more on MDN

let crypto: WebAPI.WebCryptoAPI.crypto

customElements

Defines a new custom element, mapping the given name to the given constructor as an autonomous custom element. Read more on MDN

let customElements: WebAPI.DOMAPI.customElementRegistry

devicePixelRatio

Read more on MDN

let devicePixelRatio: float

dispatchEvent

Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise. Read more on MDN

let dispatchEvent: WebAPI.EventAPI.event => bool

Parameters

WebAPI.EventAPI.event

Return type

bool

document

Read more on MDN

let document: WebAPI.DOMAPI.document

fetch

fetch(string, init)

Starts the process of fetching a resource from the network, returning a promise that is fulfilled once the response is available.

let response = await fetch("https://rescript-lang.org")

Read more on MDN

let fetch: (
  string,
  ~init: WebAPI.FetchAPI.requestInit=?,
) => Promise.t<WebAPI.FetchAPI.response>

Parameters

string option< WebAPI.FetchAPI.requestInit >

Return type

Promise.t< WebAPI.FetchAPI.response >

fetch_withRequest

fetch_withRequest(request, init)

Starts the process of fetching a resource from the network, returning a promise that is fulfilled once the response is available.

let response = await fetch(myRequest)

Read more on MDN

let fetch_withRequest: (
  WebAPI.FetchAPI.request,
  ~init: WebAPI.FetchAPI.requestInit=?,
) => Promise.t<WebAPI.FetchAPI.response>

Parameters

WebAPI.FetchAPI.request option< WebAPI.FetchAPI.requestInit >

Return type

Promise.t< WebAPI.FetchAPI.response >

focus

Moves the focus to the window's browsing context, if any. Read more on MDN

let focus: unit => unit

Parameters

unit

Return type

unit

frameElement

Read more on MDN

let frameElement: WebAPI.DOMAPI.element

frames

Read more on MDN

let frames: WebAPI.DOMAPI.window

getComputedStyle

Read more on MDN

let getComputedStyle: (
  ~elt: WebAPI.DOMAPI.element,
  ~pseudoElt: string=?,
) => WebAPI.DOMAPI.cssStyleDeclaration

Parameters

WebAPI.DOMAPI.element option< string >

Return type

WebAPI.DOMAPI.cssStyleDeclaration

getSelection

Read more on MDN

let getSelection: unit => WebAPI.DOMAPI.selection

Parameters

unit

Return type

WebAPI.DOMAPI.selection

history

Read more on MDN

let history: WebAPI.HistoryAPI.history

indexedDB

Read more on MDN

let indexedDB: WebAPI.IndexedDBAPI.idbFactory

innerHeight

Read more on MDN

let innerHeight: int

innerWidth

Read more on MDN

let innerWidth: int

isSecureContext

Read more on MDN

let isSecureContext: bool

length

Read more on MDN

let length: int

localStorage

Read more on MDN

let localStorage: WebAPI.WebStorageAPI.storage

location

Read more on MDN

let location: WebAPI.DOMAPI.location

locationbar

Returns true if the location bar is visible; otherwise, returns false. Read more on MDN

let locationbar: WebAPI.DOMAPI.barProp

matchMedia

Read more on MDN

let matchMedia: string => WebAPI.DOMAPI.mediaQueryList

Parameters

string

Return type

WebAPI.DOMAPI.mediaQueryList

Returns true if the menu bar is visible; otherwise, returns false. Read more on MDN

let menubar: WebAPI.DOMAPI.barProp

moveBy

Read more on MDN

let moveBy: (~x: int, ~y: int) => unit

Parameters

int int

Return type

unit

moveTo

Read more on MDN

let moveTo: (~x: int, ~y: int) => unit

Parameters

int int

Return type

unit

name

Read more on MDN

let name: string

Read more on MDN

let navigator: WebAPI.DOMAPI.navigator

open_

Read more on MDN

let open_: (
  ~url: string=?,
  ~target: string=?,
  ~features: string=?,
) => WebAPI.DOMAPI.window

Parameters

option< string > option< string > option< string >

Return type

WebAPI.DOMAPI.window

opener

Read more on MDN

let opener: JSON.t

origin

Read more on MDN

let origin: string

outerHeight

Read more on MDN

let outerHeight: int

outerWidth

Read more on MDN

let outerWidth: int

parent

Refers to either the parent WindowProxy, or itself.

It can rarely be null e.g. for contentWindow of an iframe that is already removed from the parent. Read more on MDN

let parent: WebAPI.DOMAPI.window

performance

Read more on MDN

let performance: WebAPI.PerformanceAPI.performance

personalbar

Returns true if the personal bar is visible; otherwise, returns false. Read more on MDN

let personalbar: WebAPI.DOMAPI.barProp

postMessage

Posts a message to the given window. Messages can be structured objects, e.g. nested objects and arrays, can contain JavaScript values (strings, numbers, Date objects, etc), and can contain certain data objects such as File Blob, FileList, and ArrayBuffer objects.

Objects listed in the transfer member of options are transferred, not just cloned, meaning that they are no longer usable on the sending side.

A target origin can be specified using the targetOrigin member of options. If not provided, it defaults to "/". This default restricts the message to same-origin targets only.

If the origin of the target window doesn't match the given target origin, the message is discarded, to avoid information leakage. To send the message to the target regardless of origin, set the target origin to "*".

Throws a "DataCloneError" DOMException if transfer array contains duplicate objects or if message could not be cloned. Read more on MDN

let postMessage: (
  ~message: JSON.t,
  ~targetOrigin: string,
  ~transfer: array<Dict.t<string>>=?,
) => unit

Parameters

JSON.t string option< array< Dict.t< string > > >

Return type

unit

postMessage2

Posts a message to the given window. Messages can be structured objects, e.g. nested objects and arrays, can contain JavaScript values (strings, numbers, Date objects, etc), and can contain certain data objects such as File Blob, FileList, and ArrayBuffer objects.

Objects listed in the transfer member of options are transferred, not just cloned, meaning that they are no longer usable on the sending side.

A target origin can be specified using the targetOrigin member of options. If not provided, it defaults to "/". This default restricts the message to same-origin targets only.

If the origin of the target window doesn't match the given target origin, the message is discarded, to avoid information leakage. To send the message to the target regardless of origin, set the target origin to "*".

Throws a "DataCloneError" DOMException if transfer array contains duplicate objects or if message could not be cloned. Read more on MDN

let postMessage2: (
  ~message: JSON.t,
  ~options: WebAPI.DOMAPI.windowPostMessageOptions=?,
) => unit

Parameters

JSON.t option< WebAPI.DOMAPI.windowPostMessageOptions >

Return type

unit

print

Read more on MDN

let print: unit => unit

Parameters

unit

Return type

unit

prompt

Read more on MDN

let prompt: (~message: string=?, ~default: string=?) => string

Parameters

option< string > option< string >

Return type

string

queueMicrotask

Read more on MDN

let queueMicrotask: WebAPI.DOMAPI.voidFunction => unit

Parameters

WebAPI.DOMAPI.voidFunction

Return type

unit

removeEventListener

Removes the event listener in target's event listener list with the same type, callback, and options. Read more on MDN

let removeEventListener: (
  ~type_: string,
  ~callback: WebAPI.EventAPI.eventListener<'event>,
  ~options: WebAPI.EventAPI.eventListenerOptions=?,
) => unit

Parameters

string WebAPI.EventAPI.eventListener option< WebAPI.EventAPI.eventListenerOptions >

Return type

unit

removeEventListener_useCapture

Removes the event listener in target's event listener list with the same type, callback, and options. Read more on MDN

let removeEventListener_useCapture: (
  ~type_: WebAPI.EventAPI.eventType,
  ~callback: WebAPI.EventAPI.eventListener<'event>,
) => unit

Parameters

WebAPI.EventAPI.eventType WebAPI.EventAPI.eventListener

Return type

unit

reportError

Read more on MDN

let reportError: JSON.t => unit

Parameters

JSON.t

Return type

unit

requestAnimationFrame

Read more on MDN

let requestAnimationFrame: WebAPI.DOMAPI.frameRequestCallback => int

Parameters

WebAPI.DOMAPI.frameRequestCallback

Return type

int

requestIdleCallback

Read more on MDN

let requestIdleCallback: (
  ~callback: WebAPI.DOMAPI.idleRequestCallback,
  ~options: WebAPI.DOMAPI.idleRequestOptions=?,
) => int

Parameters

WebAPI.DOMAPI.idleRequestCallback option< WebAPI.DOMAPI.idleRequestOptions >

Return type

int

resizeBy

Read more on MDN

let resizeBy: (~x: int, ~y: int) => unit

Parameters

int int

Return type

unit

resizeTo

Read more on MDN

let resizeTo: (~width: int, ~height: int) => unit

Parameters

int int

Return type

unit

screen

Read more on MDN

let screen: WebAPI.DOMAPI.screen

screenLeft

Read more on MDN

let screenLeft: int

screenTop

Read more on MDN

let screenTop: int

screenX

Read more on MDN

let screenX: int

screenY

Read more on MDN

let screenY: int

scroll

Read more on MDN

let scroll: (~options: WebAPI.DOMAPI.scrollToOptions=?) => unit

Parameters

option< WebAPI.DOMAPI.scrollToOptions >

Return type

unit

scroll2

Read more on MDN

let scroll2: (~x: float, ~y: float) => unit

Parameters

float float

Return type

unit

scrollbars

Returns true if the scrollbars are visible; otherwise, returns false. Read more on MDN

let scrollbars: WebAPI.DOMAPI.barProp

scrollBy

Read more on MDN

let scrollBy: (~options: WebAPI.DOMAPI.scrollToOptions=?) => unit

Parameters

option< WebAPI.DOMAPI.scrollToOptions >

Return type

unit

scrollBy2

Read more on MDN

let scrollBy2: (~x: float, ~y: float) => unit

Parameters

float float

Return type

unit

scrollTo

Read more on MDN

let scrollTo: (~options: WebAPI.DOMAPI.scrollToOptions=?) => unit

Parameters

option< WebAPI.DOMAPI.scrollToOptions >

Return type

unit

scrollTo2

Read more on MDN

let scrollTo2: (~x: float, ~y: float) => unit

Parameters

float float

Return type

unit

scrollX

Read more on MDN

let scrollX: float

scrollY

Read more on MDN

let scrollY: float

self

Read more on MDN

let self: WebAPI.DOMAPI.window

sessionStorage

Read more on MDN

let sessionStorage: WebAPI.WebStorageAPI.storage

setInterval

Read more on MDN

let setInterval: (~handler: string, ~timeout: int=?) => int

Parameters

string option< int >

Return type

int

setInterval2

Read more on MDN

let setInterval2: (~handler: unit => unit, ~timeout: int=?) => int

Parameters

unit unit option< int >

Return type

int

setTimeout

Read more on MDN

let setTimeout: (~handler: string, ~timeout: int=?) => int

Parameters

string option< int >

Return type

int

setTimeout2

Read more on MDN

let setTimeout2: (~handler: unit => unit, ~timeout: int=?) => int

Parameters

unit unit option< int >

Return type

int

speechSynthesis

Read more on MDN

let speechSynthesis: WebAPI.WebSpeechAPI.speechSynthesis

statusbar

Returns true if the status bar is visible; otherwise, returns false. Read more on MDN

let statusbar: WebAPI.DOMAPI.barProp

stop

Cancels the document load. Read more on MDN

let stop: unit => unit

Parameters

unit

Return type

unit

structuredClone

Read more on MDN

let structuredClone: (
  't,
  ~options: WebAPI.ChannelMessagingAPI.structuredSerializeOptions=?,
) => 't

toolbar

Returns true if the toolbar is visible; otherwise, returns false. Read more on MDN

let toolbar: WebAPI.DOMAPI.barProp

top

Read more on MDN

let top: WebAPI.DOMAPI.window

visualViewport

Read more on MDN

let visualViewport: WebAPI.VisualViewportAPI.visualViewport

window

Read more on MDN

let window: WebAPI.DOMAPI.window