broken each loop

by Irvin Dominin

HTML

<form id="ingredients">
<h1>Your Ingredients?</h1>
<input type="text" id="search" class="searchbox">
<ul>
<li id="test">test</li>
<li id="me">me</li>
<li id="out">out</li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<input type="submit" class="findbtn" value="find">
</form>

JavaScript

$('#ingredients').submit(function(){
if (($('li:nth-child(1)').text()) === ''){
    alert('It seems your fridge is empty. Please fill it first!');
    return false;
}
else {
var action = "body.html?page=results&ingredients=";    
var params = "";
$('li').each(function(){
if (($(this).attr('id')) === undefined){}
else{
params = params+$(this).attr('id')+",";
alert(params);
}
});
//alert(params);
return false;
}
});