window.getComputedStyle

Returns an object containing the values of all CSS properties of an element, after applying active stylesheets and resolving any basic computation those values may contain.

Returns: CSSStyleDeclaration - - A live CSSStyleDeclaration object, which updates automatically when the element's styles are changed.
See: window.getComputedStyle

Param

Type

Description

element

Element

The Element for which to get the computed style.

pseudoState

string

A string specifying the pseudo-element to match. Omitted (or null) for real elements.