Javascript adding array to specific index

Javascript adding array to specific index

References

Reference NO 1

http://stackoverflow.com/questions/586182/javascript-insert-item-into-array-at-a-specific-index

Reference NO 2

http://stackoverflow.com/questions/4269308/javascript-append-an-element-to-array-at-specific-index

Reference NO 3

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice

Reference NO 4

http://www.w3schools.com/jsref/jsref_splice.asp

Reference NO 5

http://www.tutorialspoint.com/javascript/array_indexof.htm

Reference NO 6

http://www.scottlogic.com/blog/2010/10/15/javascript-array-performance.html

Reference NO 7

http://www.bennadel.com/blog/1796-Javascript-Array-Methods-Unshift-Shift-Push-And-Pop-.htm

Reference NO 8

http://bytes.com/topic/javascript/answers/496240-adding-elements-array