clean jquery example

var counter = {
    
    count: 0,
    
    init: function() {
        this.$count = $('#count');
        this.setCount(parseInt(this.$count.text(), 10));
        this.bindEvents();
    },
    
    bindEvents: function() {
        $('#add').on('click', $.proxy(this.add, this));
        $('#subtract').on('click', $.proxy(this.subtract, this));
    },
    
    add: function() {
        this.setCount(this.count + 1);
    },
    
    subtract: function() {
        this.setCount(this.count - 1);
    },
    
    setCount: function(val) {
       this.count = val;
       this.render();  
    },
    
    render: function() {
        this.$count.text(this.count);
    }
    
};

counter.init();