Last active
November 4, 2016 16:46
-
-
Save psycalc/22ddd5c65fae5bab9f3177ed8c55314b to your computer and use it in GitHub Desktop.
JavaScript Design Patterns - Observer
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function Observable () { | |
var observers = []; | |
this.sendMassage = function ( msg ) { | |
for (var i=0, i<observers.length;i++) { | |
observer[i].notify( msg ); | |
} | |
} | |
this.addObserver = function ( observer) { | |
observers.push( observer ); | |
}; | |
} | |
function Observer (behavier ) { | |
this.notify = function (msg) { | |
behavior(msg); | |
}; | |
} | |
var observable = new Observable(); | |
var obs1 = new Observer(functon(msg){console.log(msg)}}; | |
var obs2= new Observer(function(msg){alert(msg);}); | |
observable.addObsever (obs1 ); | |
observable.addObserver (obs2); | |
setTimeout(function(){observalbe.sendMessage['Current date + new Date()']; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment