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jQuery eq() 方法

❮ jQuery 遍历方法

示例

选择第二个 <p> 元素(索引号为 1)

$("p").eq(1).css("background-color", "yellow");
亲自试一试 »

定义和用法

eq() 方法返回选定元素中指定索引号的元素。

索引号从 0 开始,因此第一个元素的索引号为 0(而不是 1)。


语法

$(选择器).eq(索引)

参数 描述
索引 必需。指定元素的索引。可以是正数或负数。

注意:使用负数将从选定元素的末尾开始计算索引,而不是从开头开始。

亲自试一试 - 示例

使用负数
使用负数从选定元素的末尾返回第二个 <p> 元素。


❮ jQuery 遍历方法

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