letsgetrandy

function Handler(fn) {
	this.func = fn;
	return this;
}
Handler.prototype.handle = function(errMsg, callback) {
	this.exceptions[errMsg] = callback;
}
Handler.prototype.try = function(context) {
	context = context || this;
	try {

letsgetrandy

// return an array of argument names
function getArgNames(fn) {
	var matches = fn.toString().match(/\(([a-z_, ]+)\)/i);
	if (matches.length > 1) {
		return matches[1].replace(/\s+/g, '').split(',');
	}
	return [];
}

// some sample implementation

letsgetrandy

'use strict';

var INTERVAL = 50;
class Bubble {
    constructor() {
        this.x = parseInt(window.innerWidth * Math.random(), 10);
        this.y = parseInt(window.innerHeight * Math.random(), 10);
        this.xDir = Math.random() > 0.5 ? 1 : -1;
        this.yDir = Math.random() > 0.5 ? 1 : -1;
        this.size = parseInt(Math.random() * 100) + 40;