CSSStyleDeclaration.removeProperty()

The CSSStyleDeclaration.removeProperty() method interface removes a property from a CSS style declaration object.

• property is a DOMString representing the property name to be removed. Note that multi-word property names are hyphenated and not camel-cased.

• oldValue is a DOMString equal to the value of the CSS property before it was removed.

• DOMException NO_MODIFICATION_ALLOWED_ERR: if the property or declaration block is read only.

The following JavaScript code removes the background-color CSS property from a selector rule:

var declaration = document.styleSheets[0].rules[0].style;
var oldValue = declaration.removeProperty('background-color');