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characters

返回值:Stringtext([val|fn])

概述

取得所有匹配元素的内容。

结果是由所有匹配元素包含的文本内容组合起来的文本。这个方法对HTML和XML文档都有效。

参数

valStringV1.0

用于设置元素内容的文本

function(index, text)FunctionV1.4

此函数返回一个字符串。接受两个参数,index为元素在集合中的索引位置,text为原先的text值。

示例

无参数 描述:

返回p元素的文本内容。

jQuery 代码:
$('p').text();

参数val 描述:

设置所有 p 元素的文本内容

jQuery 代码:
$("p").text("Hello world!");

回调函数 描述:

使用函数来设置所有匹配元素的文本内容。

jQuery 代码:
$("p").text(function(n){
    return "这个 p 元素的 index 是:" + n;
    });
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