jquery：选择xpath还是将xpath转换为css？ [英] jquery: selecting xpath or converting xpath to css?

问题描述

我需要根据xpath选择，或者将xpath转换为css。

是否有插件或内置功能。<​​/ p>

ex。 $（'/ html / body / div / a [4]'）。each ....

解决方案

并非所有的xpath表达式都可以转换为类似CSS的选择器，或者不能有效地工作。您可以使用：eq 选择器按索引访问元素，但建议您使用 eq 方法代替。这相当于您示例中的xpath：

  $（'html> body> div> a'） .eq（3）.each（... 
  

i need to select based on xpath , or convert xpath to css.

is there a plugin or built in function.

ex. $('/html/body/div/a[4]').each ....

解决方案

Not all xpath expressions are possible to translate to CSS-like selectors, or doesn't work efficiently. You can use the :eq selector to access elements by index, but it's recommended that you use the eq method for this instead. This would be equivalent of the xpath in your example:

$('html > body > div > a').eq(3).each( ...

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