Ticker.js
var extend = require("extend"),
EventEmitter = require("events").EventEmitter;
var Ticker = function(interval){
this.interval = interval;
};
Ticker.prototype = {
"start": function(){
var _this = this;
setInterval(function(){
_this.tick();
}, this.interval);
},
"tick": function(){
this.emit("tick");
}
};
extend(Ticker.prototype, EventEmitter.prototype);
module.exports = Ticker;
main.js
var Ticker = require("./Ticker");
var ticker = new Ticker(1000);
var f = false;
ticker.on("tick", function(){
document.body.innerHTML = (f=!f)?"tick":"tack";
});
ticker.start();
Browserify !
$ npm install browserify
$ browserify main.js
かくて