Function once

once(
    type: "baselayerchange" | "overlayadd" | "overlayremove",
    fn: LayersControlEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "baselayerchange" | "overlayadd" | "overlayremove"
- fn: LayersControlEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1304
once(
    type: "layeradd" | "layerremove",
    fn: LayerEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "layeradd" | "layerremove"
- fn: LayerEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1309
once(
    type:
        | "load"
        | "move"
        | "zoomlevelschange"
        | "unload"
        | "viewreset"
        | "zoomstart"
        | "movestart"
        | "zoom"
        | "zoomend"
        | "moveend"
        | "autopanstart"
        | "dragstart"
        | "drag"
        | "add"
        | "remove"
        | "loading"
        | "error"
        | "update"
        | "down"
        | "predrag",
    fn: LeafletEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type:
      | "load"
      | "move"
      | "zoomlevelschange"
      | "unload"
      | "viewreset"
      | "zoomstart"
      | "movestart"
      | "zoom"
      | "zoomend"
      | "moveend"
      | "autopanstart"
      | "dragstart"
      | "drag"
      | "add"
      | "remove"
      | "loading"
      | "error"
      | "update"
      | "down"
      | "predrag"
- fn: LeafletEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1310
once(type: "resize", fn: ResizeEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "resize"
- fn: ResizeEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1335
once(
    type: "popupopen" | "popupclose",
    fn: PopupEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "popupopen" | "popupclose"
- fn: PopupEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1336
once(
    type: "tooltipopen" | "tooltipclose",
    fn: TooltipEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "tooltipopen" | "tooltipclose"
- fn: TooltipEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1337
once(type: "locationerror", fn: ErrorEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "locationerror"
- fn: ErrorEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1338
once(type: "locationfound", fn: LocationEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "locationfound"
- fn: LocationEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1339
once(
    type:
        | "click"
        | "dblclick"
        | "mousedown"
        | "mouseup"
        | "mouseover"
        | "mouseout"
        | "mousemove"
        | "contextmenu"
        | "preclick",
    fn: LeafletMouseEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type:
      | "click"
      | "dblclick"
      | "mousedown"
      | "mouseup"
      | "mouseover"
      | "mouseout"
      | "mousemove"
      | "contextmenu"
      | "preclick"
- fn: LeafletMouseEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1340
once(
    type: "keypress" | "keydown" | "keyup",
    fn: LeafletKeyboardEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "keypress" | "keydown" | "keyup"
- fn: LeafletKeyboardEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1354
once(type: "zoomanim", fn: ZoomAnimEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "zoomanim"
- fn: ZoomAnimEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1355
once(type: "dragend", fn: DragEndEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "dragend"
- fn: DragEndEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1356
once(
    type: "tileunload" | "tileloadstart" | "tileload" | "tileabort",
    fn: TileEventHandlerFn,
    context?: any,
): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "tileunload" | "tileloadstart" | "tileload" | "tileabort"
- fn: TileEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1357
once(type: "tileerror", fn: TileEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: "tileerror"
- fn: TileEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1358
once(type: string, fn: LeafletEventHandlerFn, context?: any): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- type: string
- fn: LeafletEventHandlerFn
- Optionalcontext: any
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1359
once(eventMap: LeafletEventHandlerFnMap): this
Behaves as on(...), except the listener will only get fired once and then removed.
Parameters
- eventMap: LeafletEventHandlerFnMap
Returns this
- Defined in node_modules/.pnpm/@types+leaflet@1.9.20/node_modules/@types/leaflet/index.d.ts:1364

Function once

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