Question

jquery li标签里的数字相加，算出总数

<ul class="list">
<li>15.18</li>
<li>9.13</li>
<li>6.55</li>
<li>4.30</li>
<li>3.11</li>
</ul>

Answer 1

<SCRIPT LANGUAGE="JavaScript">
$(function(){
var sum=0;
for(var i=0;i<$(".list li").length;i++){
sum += parseFloat($(".list li").get(i).innerHTML);
}
alert(sum);
});
</SCRIPT>

Answer 2

var count = 0;
$(".list li").each(function(i){
count += $(this).text();

})