class

Win

@Js
class Win : Obj

Win models the DOM window object.

See pod doc for details.

methods cur

Return the current window instance

parent

Returns a reference to the parent of the current window or subframe, or null if this is the top-most window

geoWatchPosition

Register a handler function that will be called automatically each time the position of the device changes

scrollBy

Scrolls the document in the window by the given amount

log

Log object to console

localStorage

Return local storage instance for window

hisPushState

Push a new history item onto the history stack

clearInterval

Cancels a repeated action which was set up using setInterval

devicePixelRatio

Ratio of physical pixels to the resolution in CSS pixels

geoClearWatch

Unregister location/error monitoring handlers previously installed using geoWatchPosition

addStyleRules

Add new CSS style rules to this page

reload

Reload the current page

screenSize

Return the size of the screen in pixels

top

Returns a reference to the topmost window in the window hierarchy

alert

Display a modal message box with the given text

setInterval

Calls a function repeatedly, with a fixed time delay between each call to that function

clearTimeout

Clears the delay set by setTimeout

sessionStorage

Return session storage instance for window

close

Close this window

hyperlink

Hyperlink to the given Uri in this window

scrollPos

Return current scroll position of document in this window

clipboardWriteText

Write given text to the system clipboard

removeEvent

Remove the given event handler from this window

reqAnimationFrame

Request the browser to perform an animation before the next repaint

uri

Get the Uri for this window

scrollTo

Scrolls to a particular set of coordinates in the document

confirm

Display a confirmation dialog box with the given text

hisBack

Go to previous page in session history

hisState

State at the top of the history stack

setTimeout

Call the specified function after a specified delay

eval

Evaluate given JavaScript code

clipboardReadText

Read textual contents of the system clipboard

viewport

Return the size of the window viewport in pixels

onEvent

Attach an event handler for the given event on this window

doc

Return the Doc instance for this window

hisForward

Go to next page in the session history

hisReplaceState

Modify the current history item

geoCurPosition

Get the the current position of this device

open

Open a new window

addStyleRules Void addStyleRules(Str rules)

Add new CSS style rules to this page.

alert Void alert(Obj obj)

Display a modal message box with the given text.

clearInterval Void clearInterval(Int intervalId)

Cancels a repeated action which was set up using setInterval.

clearTimeout Void clearTimeout(Int timeoutId)

Clears the delay set by setTimeout.

clipboardReadText Void clipboardReadText(|Str| f)

Read textual contents of the system clipboard. Returns an empty string if the clipboard is empty, does not contain text, or does not include a textual representation of clipboard's contents.

The user has to interact with the page or a UI element in order for this feature to work.

clipboardWriteText Void clipboardWriteText(Str text)

Write given text to the system clipboard.

The user has to interact with the page or a UI element in order for this feature to work.

close Win close()

Close this window. Only applicable to windows created with open. Otherwise method has no effect. Returns this.

confirm Bool confirm(Obj obj)

Display a confirmation dialog box with the given text. Returns true if ok was selected, false othterwise.

cur static Win cur()

Return the current window instance.

devicePixelRatio Float devicePixelRatio()

Ratio of physical pixels to the resolution in CSS pixels

doc Doc doc()

Return the Doc instance for this window.

eval static Obj eval(Str js)

Evaluate given JavaScript code.

geoClearWatch Void geoClearWatch(Int id)

Unregister location/error monitoring handlers previously installed using geoWatchPosition. This feature is only available in secure contexts (HTTPS).

geoCurPosition Void geoCurPosition(|DomCoord| onSuccess, |Err|? onErr, [Str:Obj]? opts)

Get the the current position of this device. This feature is only available in secure contexts (HTTPS).

geoWatchPosition Int geoWatchPosition(|DomCoord| onSuccess, |Err|? onErr, [Str:Obj]? opts)

Register a handler function that will be called automatically each time the position of the device changes. This method returns a watch ID value that then can be used to unregister the handler with the geoClearWatch method. This feature is only available in secure contexts (HTTPS).

hisBack Void hisBack()

Go to previous page in session history.

hisForward Void hisForward()

Go to next page in the session history.

hisPushState Void hisPushState(Str title, Uri uri, Str:Obj map)

Push a new history item onto the history stack. Use onpopstate to listen for changes:

// Event.stash contains state map passed into pushState
Win.cur.onEvent("popstate", false) |e| { echo("# state: $e.stash") }

hisReplaceState Void hisReplaceState(Str title, Uri uri, Str:Obj map)

Modify the current history item.

hisState Str:Obj hisState()

State at the top of the history stack

hyperlink Void hyperlink(Uri uri)

Hyperlink to the given Uri in this window.

localStorage Storage localStorage()

Return local storage instance for window.

log Void log(Obj? obj)

Log object to console.

onEvent Func onEvent(Str type, Bool useCapture, |Event| handler)

Attach an event handler for the given event on this window. Returns callback function instance.

open Win open(Uri uri, Str? winName, [Str:Str]? opts)

Open a new window. Returns the new window instance.

parent Win? parent()

Returns a reference to the parent of the current window or subframe, or null if this is the top-most window.

reload Void reload(Bool force)

Reload the current page. Use force to bypass browse cache.

removeEvent Void removeEvent(Str type, Bool useCapture, Func handler)

Remove the given event handler from this window. If this handler was not registered, this method does nothing.

reqAnimationFrame Void reqAnimationFrame(|This| f)

Request the browser to perform an animation before the next repaint.

screenSize Size screenSize()

Return the size of the screen in pixels.

scrollBy This scrollBy(Int x, Int y)

Scrolls the document in the window by the given amount.

scrollPos Point scrollPos()

Return current scroll position of document in this window.

scrollTo This scrollTo(Int x, Int y)

Scrolls to a particular set of coordinates in the document.

sessionStorage Storage sessionStorage()

Return session storage instance for window.

setInterval Int setInterval(Duration delay, |This| f)

Calls a function repeatedly, with a fixed time delay between each call to that function. Returns an intervalId that can be used in clearInterval.

setTimeout Int setTimeout(Duration delay, |This| f)

Call the specified function after a specified delay. Returns a timeoutId that can be used in clearTimeout.

top Win top()

Returns a reference to the topmost window in the window hierarchy. If this window is the topmost window, returns self.

uri Uri uri()

Get the Uri for this window.

viewport Size viewport()

Return the size of the window viewport in pixels.

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST