У вашего броузера проблема в совместимости с HTML5
RexPath
Right-click an element to generate a variety of custom xpaths.
Use the query builder to build a new xpath by clicking on specific attributes and specifying the number of ancestors.
Great for Selenium web automation and testing.
Link to Plugin : https://chrome.google.com/webstore/detail/rexpath/njimgijjclonaibjnmkogbolonkdpfai
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