python - 元素的选择器(CSS 或 Xpath)

Question

http://www.dickssportinggoods.com/p/puma-mens-evospeed-35-leather-fg-soccer-cleats-16pummvspd35lthfgnth/16pummvspd35lthfgnth?&color=White/Orange&Clearance=true

我想获得“防滑钉”元素，如下图所示:

我失败的尝试:

response.xpath('.//*[@class="cat-breadcrumb"]/span/@itemprop').extract_first()
'item'

提前致谢

Answer 1

'normalize-space(id("WC_BreadCrumb_Link_4")/span/text())'