Choosing one option from select returning undefined value

Choosing one option from select returning undefined value

References

Reference NO 1

http://stackoverflow.com/questions/15189850/choosing-one-option-from-select-returning-undefined-value

Reference NO 2

http://stackoverflow.com/questions/241727/how-do-i-select-an-item-by-its-text-value-in-a-dropdown-using-jquery

Reference NO 3

http://knockoutjs.com/documentation/options-binding.html

Reference NO 4

http://ivaynberg.github.io/select2/

Reference NO 5

http://javascript.info/tutorial/objects

Reference NO 6

https://github.com/jquery/jquery-mobile/issues/3794

Reference NO 7

http://www.roseindia.net/answers/viewqa/JavaScriptQuestions/13175-undefined-value-mean-in-javascript.html

Reference NO 8

http://www.cgi101.com/book/ch5/text.html