Flex Learning Path-Problem book: As in terms not defined and without any attributes

Problem Description:


Cause :The Cleartextarea property in the Tools object holds the address of the anonymous function, and the This keyword of the anonymous function stores the value of the Tools object. The global function Cleartextarea_clickhandler The This keyword stores the entire window.
Workaround: Pass the Window object to the anonymous function
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Flex Learning Path-Problem book: As in terms not defined and without any attributes