jQuery.inArray Demo

HTML

<div class="myDiv">0</div>
<div class="myDiv">1</div>
<div class="myDiv">2</div>
<div class="myDiv">3</div>

JavaScript

$(function(){
    var valid = [0, 1, 3]
    
    $(".myDiv").each(function(index){
        var found = jQuery.inArray(index, valid)
        if(found === -1)
        {
            $(this).hide();
        }
        
        $(this).css("color", "#FF0000");
    });
});