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读取javascript变量';s值_Javascript_Xpath - Fatal编程技术网

读取javascript变量';s值

读取javascript变量';s值,javascript,xpath,Javascript,Xpath,我想使用Xpath读取javascript变量的值 js文本如下: var item_url = 'nahodka_sobaki_prodam_schenkov_labradora_278393584' , item_phone = '994h4ada5cc0f9605334b81edd8a4ad548189hbfea9627bf5beb5cb7c699efh1daha84bda6a8ddec8bd33706bf0bc5h849098' ; 我只想要物品的电话价值 我试过: $x('//


我想使用Xpath读取javascript变量的值
js文本如下:

 var item_url = 'nahodka_sobaki_prodam_schenkov_labradora_278393584'
  , item_phone = '994h4ada5cc0f9605334b81edd8a4ad548189hbfea9627bf5beb5cb7c699efh1daha84bda6a8ddec8bd33706bf0bc5h849098' ;
我只想要物品的电话价值
我试过:

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

 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

您的代码

$x('//script[contains(.,"item_phone")]/text()')[0]
返回整个字符串。试试xpath

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

$x('//script[contains(.,"item_phone")]/text()')[0]
返回整个字符串。试试xpath

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

我应该如何在chrome控制台上使用它?我应该如何在chrome控制台上使用它?