javascript - jquery not working in PyQt -

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i writing small desktop app in pyqt python has qweb view browser. adding functionality browser when user select text using mouse , right click , press show xpath javascript executed find xpath. here code :

@pyqtslot() def slotshowxpath(self):  text = self.selectedtext() if not text:     qmessagebox.information(self,"information","no text selected") else:     frame = self.page().mainframe().documentelement()     #print frame.tohtml()     #abc = frame.document()     #abc.evaluatejavascript("alert('"+self.page().selectedhtml()+"');")     frame.evaluatejavascript("""var data = window.getselection().anchornode.parentnode; getxpath(data);      function getxpath( element ){     alert(element);     var xpath = '';     ( ; (element && element.nodetype) == 1; element = element.parentnode )     {     var id = $(element.parentnode).children(element.tagname).index(element) + 1;     id > 1 ? (id = '[' + id + ']') : (id = '');     xpath = '/' + element.tagname.tolowercase() + id + xpath;        }        alert(xpath);        return xpath;            }"""         )

this query working till $(element.parentnode).children not working $(element.parentnode).children(element.tagname).index(element) + 1, can me in fixing issue?

actually problem alert statement inside query.its not getting executed inside when tried outside javascript after returning value, start working


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