CSSStyleDeclaration getPropertyPriority() 方法

定义和用法

getPropertyPriority() 方法返回指定的 CSS 属性是否具有 "important!" 优先设置。

如果此方法返回 "important!",则设置了重要限定符。

如果此方法返回空字符串,则不设置重要限定符。

实例

返回颜色属性是否具有 "important!" 优先设置:

var declaration = document.styleSheets[0].cssRules[0].style;
var priority = declaration.getPropertyPriority("color");
alert(priority);

亲自试一试

语法

object.getPropertyPriority(propertyname)

Parameters

Parameters Description
propertyname Required. String, representing the name of the property to check.

Technical Details

DOM Version: CSS Object Model
Return value: String representing priority, if not present, it is an empty string.

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support 9.0 Support Support Support