Hello Arindam,
Remove sender and eventArgs parameters from the get_node() method - this syntax is incorrect.
e.g.
var title = eventArgs.get_node(sender, eventArgs).get_text();
should be
var title = eventArgs.get_node().get_text();
and
a var link = eventArgs.get_node(sender, eventArgs).get_value();
should become
var link = eventArgs.get_node().get_value();
Regards,
Georgi Tunev
the Telerik team