Append content to the inside of every matched element.
向每个匹配的元素内部追加内容。
In the XPath example, the last function returns the index of the last matched element, which you use in square brackets.
在XPath例子中，last函数返回最后匹配元素的索引(用在方括号中)。
Both XPath and jQuery support straightforward traversal semantics for matching element nodes in relation to the currently matched element.
对于匹配与当前匹配的元素相关的元素节点，XPath和jQuery都支持直观的遍历语义。
Get the current offset of the first matched element relative to the viewport.
获取匹配元素在当前视口的相对偏移。
Gets the outer height (includes the border and padding by default) for the first matched element.
获取第一个匹配元素外部高度(默认包括补白和边框)。
Set the HTML contents of every matched element. This property is not available on XML documents (although it will work for XHTML documents).
设置每一个匹配元素的html内容。这个函数不能用于XML文档。但可以用于XHTML文档。
Get the HTML contents of the first matched element. This property is not available on XML documents (although it will work for XHTML documents).
取得第一个匹配元素的html内容。这个函数不能用于XML文档。但可以用于XHTML文档。
Get the HTML contents of the first matched element. This property is not available on XML documents (although it will work for XHTML documents).
取得第一个匹配元素的html内容。这个函数不能用于XML文档。但可以用于XHTML文档。
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