把一个“名/值对”对象设置为所有匹配元素的样式属性。 这是一种在所有匹配的元素上设置大量样式属性的最佳方式。

返回值:jQuery

参数:

• properties (Map): 要设置为样式属性的名/值对对象

为所有p元素设置color和background样式属性。

$("p").css({ color: "red", background: "blue" });

HTML 代码:

<p>Test Paragraph.</p>

结果:

<p style="color:red; background:blue;">Test Paragraph.</p>

css( properties )

Set a key/value object as style properties to all matched elements.

This serves as the best way to set a large number of style properties on all matched elements.

Return value: jQuery
Parameters:

• properties (Map): Key/value pairs to set as style properties.

Example:

Sets color and background styles to all p elements.

 $("p").css({ color: "red", background: "blue" });  

Before:

 <p>Test Paragraph.</p>  

 <p style="color:red; background:blue