详细介绍CISCO IOS命名规则1

<script type="text/javascript" src="jquery-1.7.1.js"></script>
<script>
isNumber = function (e) {
if ($.browser.msie) {
if ( ((event.keyCode > 47) && (event.keyCode < 58)) ||
(event.keyCode == 8) ) {
return true;
} else {
return false;
}
} else {
if ( ((e.which > 47) && (e.which < 58)) ||
(e.which == 8) ) {
return true;
} else {
return false;
}
}
}

function alertaaa(){
var aaaaa = $('#222').val();
alert(aaaaa);

alert(Number(aaaaa)*10);
}

</script>

<input id="123" type="text" onkeypress="javascript:return isNumber(event);"/>
<input type="text" id="222" onKeyUp="this.value=this.value.replace(/\D/g,'')" />
<input type="button" onClick="alertaaa();" value="aaaa"/>