Text Overflow

HTML

<div id="box"></div>
<br />

<button>overflow-hidden</button> 
<br>

<p id="info"></p>
<div id="fasz">
jkélkléflékasélfk</div>

JavaScript

jQuery(function($){
    var info = $('#info'), box = $('#box'),
        showInfo = function(){
            info.html(box[0].className);
        };
    showInfo();
    $('button').click(function(){
        var cls = $(this).text();
        box.toggleClass(cls);
        showInfo();
    });
});