add method .has(listener):Boolean

millermedeiros / js-signals

Custom Event/Messaging system for JavaScript inspired by AS3-Signals

http://millermedeiros.github.com/js-signals/

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add method .has(listener):Boolean #35

Closed millermedeiros closed 12 years ago

millermedeiros commented 12 years ago

right now we have an internal method _indexOfListener(listener) so implementing a has(listener) is pretty trivial... it can be useful in some cases...