checkbox checked if the values in array

html

<table>
    <tr>
        <td width="3%"></td>
        <td>
            <input class="weekdays" type="checkbox" name="weeklyDay" id="sunday" value="sunday">Sunday</td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="monday" value="monday">Monday</td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="tuesday" value="tuesday">Tuesday</td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="wednesday" value="wednesday">Wednesday</td>
    </tr>
    <tr>
        <td width="3%"></td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="thursday" value="thursday">Thursday</td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="friday" value="friday">Friday</td>
        <td>
            <input class="weekdays" type="checkbox" name="Day" id="saturday" value="saturday">Saturday</td>
    </tr>
</table>

js

var weekArray = ["saturday","monday","tuesday","friday" ];
$('.weekdays').filter(function () {    
    if (weekArray.indexOf(this.id) != -1)
          return $(this).closest('td').find(':checkbox');
}).prop("checked", true);

source

http://jsfiddle.net/5xkJp/