/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
function isArray(e){
  return Object.prototype.toString.call(e) === "[object Array]";
}


function Evt(){
  this.events = {};
}


Evt.prototype.subscribe = function(name, fct){
  if(typeof name !== "string" || name === ""){
    throw new Error("typeof name is invalid");
  }
  if(typeof fct !== "function"){
    throw new Error("typeof fct is invalid");
  }
  if(typeof this.events[name] === 'undefined'){
    this.events[name] = [];
  }
  this.events[name].push(fct);
};


Evt.prototype.trigger = function(name, args, scope){
  args = args || null;
  scope = scope || window;
  var self = this;
  if(typeof name !== "string"){
    throw new Error("typeof name should be a string");
  }

  var indexEvt = Object.keys(self.events).indexOf(name);

  if(indexEvt === -1){
    throw new Error('The event'+name+' is undefined');
  }

  this.events[name].forEach(function(e){
    e.call(scope, args);
  });
};

var evt = new Evt();

evt.subscribe('test', function(e){
  console.log('Hello'+ e);
});
evt.trigger('test', "trololo");


var Network = new Evt();
Network.subscribe('receiveUsers', function(e){
  console.log(e);
});

var xhr = new XMLHttpRequest();
xhr.open('GET', "http://jsonplaceholder.typicode.com/users", true);
xhr.onreadystatechange  = function(e){
  if(xhr.readyState == 4){
     Network.trigger('receiveUsers', JSON.parse(xhr.response));
  }
};
xhr.send(null);
</script>


<script id="jsbin-source-javascript" type="text/javascript">function isArray(e){
  return Object.prototype.toString.call(e) === "[object Array]";
}


function Evt(){
  this.events = {};
}


Evt.prototype.subscribe = function(name, fct){
  if(typeof name !== "string" || name === ""){
    throw new Error("typeof name is invalid");
  }
  if(typeof fct !== "function"){
    throw new Error("typeof fct is invalid");
  }
  if(typeof this.events[name] === 'undefined'){
    this.events[name] = [];
  }
  this.events[name].push(fct);
};


Evt.prototype.trigger = function(name, args, scope){
  args = args || null;
  scope = scope || window;
  var self = this;
  if(typeof name !== "string"){
    throw new Error("typeof name should be a string");
  }

  var indexEvt = Object.keys(self.events).indexOf(name);

  if(indexEvt === -1){
    throw new Error('The event'+name+' is undefined');
  }

  this.events[name].forEach(function(e){
    e.call(scope, args);
  });
};

var evt = new Evt();

evt.subscribe('test', function(e){
  console.log('Hello'+ e);
});
evt.trigger('test', "trololo");


var Network = new Evt();
Network.subscribe('receiveUsers', function(e){
  console.log(e);
});

var xhr = new XMLHttpRequest();
xhr.open('GET', "http://jsonplaceholder.typicode.com/users", true);
xhr.onreadystatechange  = function(e){
  if(xhr.readyState == 4){
     Network.trigger('receiveUsers', JSON.parse(xhr.response));
  }
};
xhr.send(null);


</script></body>
</html>

## jsbin.xeyona.js
function isArray(e){
  return Object.prototype.toString.call(e) === "[object Array]";
}


function Evt(){
  this.events = {};
}


Evt.prototype.subscribe = function(name, fct){
  if(typeof name !== "string" || name === ""){
    throw new Error("typeof name is invalid");
  }
  if(typeof fct !== "function"){
    throw new Error("typeof fct is invalid");
  }
  if(typeof this.events[name] === 'undefined'){
    this.events[name] = [];
  }
  this.events[name].push(fct);
};


Evt.prototype.trigger = function(name, args, scope){
  args = args || null;
  scope = scope || window;
  var self = this;
  if(typeof name !== "string"){
    throw new Error("typeof name should be a string");
  }

  var indexEvt = Object.keys(self.events).indexOf(name);

  if(indexEvt === -1){
    throw new Error('The event'+name+' is undefined');
  }

  this.events[name].forEach(function(e){
    e.call(scope, args);
  });
};

var evt = new Evt();

evt.subscribe('test', function(e){
  console.log('Hello'+ e);
});
evt.trigger('test', "trololo");


var Network = new Evt();
Network.subscribe('receiveUsers', function(e){
  console.log(e);
});

var xhr = new XMLHttpRequest();
xhr.open('GET', "http://jsonplaceholder.typicode.com/users", true);
xhr.onreadystatechange  = function(e){
  if(xhr.readyState == 4){
     Network.trigger('receiveUsers', JSON.parse(xhr.response));
  }
};
xhr.send(null);
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	</head>
	<body>

	<script id="jsbin-javascript">
	function isArray(e){
	return Object.prototype.toString.call(e) === "[object Array]";
	}


	function Evt(){
	this.events = {};
	}


	Evt.prototype.subscribe = function(name, fct){
	if(typeof name !== "string" \|\| name === ""){
	throw new Error("typeof name is invalid");
	}
	if(typeof fct !== "function"){
	throw new Error("typeof fct is invalid");
	}
	if(typeof this.events[name] === 'undefined'){
	this.events[name] = [];
	}
	this.events[name].push(fct);
	};


	Evt.prototype.trigger = function(name, args, scope){
	args = args \|\| null;
	scope = scope \|\| window;
	var self = this;
	if(typeof name !== "string"){
	throw new Error("typeof name should be a string");
	}

	var indexEvt = Object.keys(self.events).indexOf(name);

	if(indexEvt === -1){
	throw new Error('The event'+name+' is undefined');
	}

	this.events[name].forEach(function(e){
	e.call(scope, args);
	});
	};

	var evt = new Evt();

	evt.subscribe('test', function(e){
	console.log('Hello'+ e);
	});
	evt.trigger('test', "trololo");


	var Network = new Evt();
	Network.subscribe('receiveUsers', function(e){
	console.log(e);
	});

	var xhr = new XMLHttpRequest();
	xhr.open('GET', "http://jsonplaceholder.typicode.com/users", true);
	xhr.onreadystatechange = function(e){
	if(xhr.readyState == 4){
	Network.trigger('receiveUsers', JSON.parse(xhr.response));
	}
	};
	xhr.send(null);
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">function isArray(e){
	return Object.prototype.toString.call(e) === "[object Array]";
	}


	function Evt(){
	this.events = {};
	}


	Evt.prototype.subscribe = function(name, fct){
	if(typeof name !== "string" \|\| name === ""){
	throw new Error("typeof name is invalid");
	}
	if(typeof fct !== "function"){
	throw new Error("typeof fct is invalid");
	}
	if(typeof this.events[name] === 'undefined'){
	this.events[name] = [];
	}
	this.events[name].push(fct);
	};


	Evt.prototype.trigger = function(name, args, scope){
	args = args \|\| null;
	scope = scope \|\| window;
	var self = this;
	if(typeof name !== "string"){
	throw new Error("typeof name should be a string");
	}

	var indexEvt = Object.keys(self.events).indexOf(name);

	if(indexEvt === -1){
	throw new Error('The event'+name+' is undefined');
	}

	this.events[name].forEach(function(e){
	e.call(scope, args);
	});
	};

	var evt = new Evt();

	evt.subscribe('test', function(e){
	console.log('Hello'+ e);
	});
	evt.trigger('test', "trololo");


	var Network = new Evt();
	Network.subscribe('receiveUsers', function(e){
	console.log(e);
	});

	var xhr = new XMLHttpRequest();
	xhr.open('GET', "http://jsonplaceholder.typicode.com/users", true);
	xhr.onreadystatechange = function(e){
	if(xhr.readyState == 4){
	Network.trigger('receiveUsers', JSON.parse(xhr.response));
	}
	};
	xhr.send(null);



	</script></body>
	</html>