mySelection.datum( func ) in D3.js
Set the data associated with elements in the selection based on existing data.
Arguments
name | type | description |
---|---|---|
func | Function |
This function is invoked for each selected element, being passed the previous datum d and the current index i , with the this context as the current DOM element. The return value of this function is used to set each element’s data. A null value will delete the bound data.
|
- Return Type
- Selection
Description
For more details see https://github.com/mbostock/d3/wiki/Selections#wiki-datum.
See Also
- Selection.datum()
- Selection.datum(func)