CSSStyleDeclaration setProperty() Method

setProperty()The function is used to: set a new value for the attribute of the CSS style declaration object.

Syntax:

object.setProperty(property, value, priority)

Example

var declaration = document.styleSheets[0].rules[0].style;
declaration.setProperty('color',39;coral');

All browsers fully support the setProperty() method:

Method
setProperty()	Yes	Yes	Yes	Yes	Yes

Parameter	Description
property	(Required) A string representing the name of the attribute to be added or modified
value	(Optional) A string representing the new value
priority	(Optional) A string indicating whether the priority of the attribute should be set to important Accepts the following values: "important" undefined ;39;39;

Return Value:	Undefined
DOM Version:	CSS Object Model