js获取spn里面的东西

<script type="text/javascript">
function Close() {
var allitemspan = document.getElementById("lbl").innerHTML;
for (var i = 0; i < allitemspan.length; i++) {
allitemspan[i].innerHTML = 0;
}

{
alert(allitemspan);
}

}
</script>

原文：http://www.cnblogs.com/914556495wxkj/p/3566538.html