【www.gdgbn.com--css3教程】
<script>
var form = document.getelementsbytagname("form")[0];
form.onsubmit = function (event) {
for (var key in event) {
dump(key + " = " + event[key] + "");
}
var i = this.length, el;
while (i--, el = this[i]) {
if (el.willvalidate) dump([el.id, el.validity.valid]);
}
return false;
};
form.oninvalid = function (event) {
dump([].slice.call(event, 0));
// alert("was not valid");
};
function dump(obj) {
document.getelementbyid("debug").innerhtml += "
" + json.stringify(obj) + "";
}
</script>