读一个javascript变量的值

Question

我想读的使用XPath
一个javascript变量的值的JS文本如下：

var item_url = 'nahodka_sobaki_prodam_schenkov_labradora_278393584' 
    , item_phone = '994h4ada5cc0f9605334b81edd8a4ad548189hbfea9627bf5beb5cb7c699efh1daha84bda6a8ddec8bd33706bf0bc5h849098' ; 

我只想item_phone价值
我想：

$x('//script[contains(.,"item_phone")]/text()')[0] 

返回

var item_url = 'nahodka_sobaki_prodam_schenkov_labradora_278393584' 
    , item_phone = '994h4ada5cc0f9605334b81edd8a4ad548189hbfea9627bf5beb5cb7c699efh1daha84bda6a8ddec8bd33706bf0bc5h849098' ; 

我用''分割它，但它返回相同的文本，我的问题是什么？

Answer 1

代码

$x('//script[contains(.,"item_phone")]/text()')[0] 

返回整个字符串。尝试xpath

substring-before(substring-after(//script[contains(.,'item_phone')]/text(), "item_phone = '"), "' ;")