CSSStyleDeclaration setProperty() Method
Example
Set a new CSS property:
var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("background-color",
"yellow");
Try it Yourself »
Definition and Usage
The setProperty() method sets a new or modifies an existing CSS property in a CSS declaration block.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| setProperty() | Yes | 9.0 | Yes | Yes | Yes |
Syntax
object.setProperty(propertyname, value, priority)
Parameter Values
| Parameter | Description |
|---|---|
| propertyname | Required. A String representing the name of the property to set |
| value | Optional. A String representing the new value |
| priority | Optianal. A String representing if the property's priority should be set to
important or not. Legal values: "important" undefined "" |
Technical Details
| DOM Version: | CSS Object Model |
|---|---|
| Return Value: | undefined |
More Examples
Example
Set a new CSS property with "important" priotrity:
var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("background-color",
"yellow", "important");
Try it Yourself »
Example
Modify an existing CSS property:
var declaration = document.styleSheets[0].cssRules[0].style;
var setprop = declaration.setProperty("color",
"blue");
Try it Yourself »
❮ CSSStyleDeclaration Object
