Edit in JSFiddle

$(function () {

	var buttonView = {
	label : 'サンプル',
	onClick: function(){ alert('clicked: ' + this.label); },
	onHover: function(elem){ 
        var id = elem.toElement.getAttribute("id");
        var tar = document.getElementById(id);
        tar.setAttribute("style", "color:red");
    }
	};
	_.bindAll(buttonView, 'onClick', 'onHover');
	 
	var btn = document.querySelectorAll(".btn");

    for(var i = 0, il = btn.length; i < il; i++) {
	  btn[i].addEventListener('click', buttonView.onClick, false);
	  btn[i].addEventListener('mouseover', buttonView.onHover, false);
	}

});

<p>_.bindAll Practice</p>
<div id="wrapper">
<ol>
<li class="btn" id="b1">button</li>
<li class="btn" id="b2">button</li>
</ol>
</div>

p, div {
    margin: 20px 20px 0px;
    clear:both;
}

div.trigger2{
    color:red;
}