mySelection.classed( name, func ) in D3.js

Add/remove a CSS class from the selection based on data.

Arguments

nametypedescription
name String
func Function The function is evaluated for each selected element (in order), being passed the current datum d and the current index i, with the this context as the current DOM element. The function’s return value is then used to assign or unassign the specified class on each element.
Return Type
Selection

Description

For more details see https://github.com/mbostock/d3/wiki/Selections#wiki-classed.

See Also