CSSStyleDeclaration getPropertyValue() 方法
定义和用法
getPropertyValue() 方法返回指定 CSS 属性的值。
实例
返回 color 属性的值：
var declaration = document.styleSheets[0].cssRules[0].style;
var propvalue = declaration.getPropertyValue("color");
alert(propvalue);
Syntax
object.getPropertyValue(propertyname)
Parameters
| Parameters | Description |
|---|---|
| propertyname | Required. String representing the name of the attribute to check. |
Technical Details
| DOM Version: | CSS Object Model |
|---|---|
| Return value: | String representing the value of the attribute. |
Browser Support
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| Support | 9.0 | Support | Support | Support |
