does list A have something?

by nabeezy

HTML

<input class="listA"/><br/>
<input class="listA"/><br/>
<input class="listA"/><br/>
<input class="listA"/><br/>
<input class="listA"/><br/>
<button id="buttonA">Check if listA has any values?</button><br/>

<input class="listB"/><br/>
<input class="listB"/><br/>
<input class="listB"/><br/>
<input class="listB"/><br/>
<input class="listB"/><br/>
<button id="buttonB">Check if listB has any values?</button><br/>

JavaScript

function hasSomething(list){
    //list needs to be an array
    for(var i = 0; i < list.length; i++){
        if(list[i].value.length > 0){
            return true;
        }
    }    
};

$("#buttonA").click(function(){
    alert(hasSomething($(".listA")));
});

$("#buttonB").click(function(){
    alert(hasSomething($(".listB")));
});