position()

position()

The position function returns a number equal to the context position from the expression evaluation context.

Syntax

position()

Returns

An integer equal to the context position from the expression evaluation context.

Notes

  • Note that a node's position in a context is not zero-based. The first node has a position of 1.
  • The context is determined by the rest of the path.
<xsl:template match="//a[position() = 5]">
 <!-- this template matches the fifth a element 
         anywhere in the document. -->
</xsl:template>
<xsl:template match="//div[@class='foo']/bar[position() = 1]">
 <!-- this template matches the first bar element that is
      a child of a div element with a class attribute equal to "foo" -->
</xsl:template>

Defined

XPath 1.0 4.1

Gecko support

Supported.

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/XPath/Functions/position

在线笔记
App下载
App下载

扫描二维码

下载编程狮App

公众号
微信公众号

编程狮公众号

意见反馈
返回顶部