a wheel of EventEmitter use es6 (HJproject)
<script src="HJevent.js"></script>
or
npm install --save hjevent
import HJevent from 'hjevent';
event
a string of your event.
listener
a callback function run when emited.
event
a string of your event.
listener
the callback function you wanna unbind.
Example
var eventEmitter = new HJevent();
var echotest = function() {
alert("this is a test");
};
eventEmitter.on("echotest", echotest);
eventEmitter.emit("echotest");
eventEmitter.off("echotest", echotest);
eventEmitter.emit("echotest");