Function select

select<GElement, OldDatum>(selector): Selection<GElement, OldDatum, HTMLElement, any>
Select the first element that matches the specified selector string. If no elements match the selector, returns an empty selection. If multiple elements match the selector, only the first matching element (in document order) will be selected.

The first generic "GElement" refers to the type of element to be selected. The second generic "OldDatum" refers to the type of the datum, on the selected element. This is useful when re-selecting an element with a previously set, know datum type.
Type Parameters
- GElement extends BaseType
- OldDatum
Parameters
- selector: string
  CSS selector string
Returns Selection<GElement, OldDatum, HTMLElement, any>
select<GElement, OldDatum>(node): Selection<GElement, OldDatum, null, undefined>
Select the specified node element.

The first generic "GElement" refers to the type of element to be selected. The second generic "OldDatum" refers to the type of the datum, on the selected element. This is useful when re-selecting an element with a previously set, know datum type.
Type Parameters
- GElement extends BaseType
- OldDatum
Parameters
- node: GElement
  An element to be selected
Returns Selection<GElement, OldDatum, null, undefined>