Learn D3.js

Selecting and filtering elements

The most important functions and methods used to select elements in D3 are listed in the following table. They all return a selection object created from a selection string, a DOM node or list, or a function that filters the elements to be included. Each selection object provides a context where a second selection method can be applied. Selections are typically chained together.

Method or top-level function	Description
d3.select(string | node)	If the parameter is a selector string, it returns a selection object with the first element that matches the selector. If the parameter is a DOM node, it returns a selection object that contains the node.
d3.selectAll(string | nodes)	If the parameter ...