map.md

Rx.Observable.prototype.map(selector, [thisArg])

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Projects each element of an observable sequence into a new form by incorporating the element's index. This is an alias for the select method.

Arguments

1. selector (Function): Transform function to apply to each source element. The selector is called with the following information:
   1. the value of the element
   2. the index of the element
   3. the Observable object being subscribed
2. [thisArg] (Any): Object to use as this when executing the predicate.

Returns

(Observable): An observable sequence which results from the comonadic bind operation.

Example