Live-Search on a table

This fiddle demonstrates how one may execute a dynamic search on a table's unique identifier column. This fiddle is a response to stackoverflow issue: http://stackoverflow.com/questions/12433304/live-search-through-table-rows

HTML

<table>
    <tr><th>Unique ID</th><th>Random ID</th></tr>
    <tr><td>214215</td><td>442</td></tr>
    <tr><td>1252512</td><td>556</td></tr>
    <tr><td>2114</td><td>4666</td></tr>
    <tr><td>3245466</td><td>334</td></tr>
    <tr><td>24111</td><td>54364</td></tr>
</table>
<br />
<input type="text" id="search" placeholder="  live search"></input>

CSS

table, tr, td, th{
    border: 1px solid blue;
    padding: 2px;
}

table th{
    background-color: #999999;
}

JavaScript

$("#search").on("keyup", function() {
    var value = $(this).val();
    $("table tr").each(function(index) {
        if (index !== 0) {
            var $row = $(this);
            //Filter down tds that match indexOf check
            var matches = $row.find('td').filter(function(ix,item){
            	return $(item).text().indexOf(value) > -1;
            });

						//if matches exist then show else hide
            if (matches.length != 0) {
                $row.show();    
            }
            else {
                $row.hide();    
            }
        }
    });
})