<Script>
function getAll() {
var o = document.getElementById("datalist的ID");
var t="";
for (var i = 0; i < o.length; i++) {
if (f.elements[i].value != "") t+=f.elements[i].value;
}
alert(t);
}
//或者:
function getAll() {
var o = var ss = document.getElementById("datalist的ID").childNodes;
var t="";
for (var i = 0; i < o.length; i++) {
if (o[i].value != "") t+=o[i].value;
}
alert(t);
}
</Script>