Writing JS in object-literal style.

object-literal.js

;(function(window, undefined) {
'use strict';

var SomeObj = function(opts) {
    if (opts.whatever) this.isWhatever = true;

    // do some constructor stuff

    this.init(opts.thing);
};

SomeObj.prototype = {
    FOO_CONST: '1337',
    BAR_CONST: 'baz',

    isWhatever: null,
    otherInstanceProperty: null,

    init: function(thing) {...},
    _localFuncFoo: function() {...},
    _localFuncBar: function() {...},
    _localFuncBaz: function() {...},
};

window.My.App.Namespace.SomeObj = SomeObj;

}(window));