我想弹出一个MSG和禁用提交按钮,如果ID =“国家”不等于选项值=“美国”我想我很接近,但似乎无法弄清楚:Popup MSG和禁用提交按钮
CODE:
<html>
<body>
<script>
$(document).on('change','#Country',function() {
if ((value1 != "US")) {
alert(my error message);
SubmitButton = "disabled";
}
});
</script>
<select id="Country">
<option value="US">United States</option>
<option value="CAN">Canada</option>
<option value="JAP">Jspan</option>
</select>
<br /><br />
<input id="SubmitButton" type="button" value="Submit">
</body>
</html>
是有差异的B/W ATTR和支撑请到通过 – Sunand 2014-09-03 20:06:09
@Sunand,真的不够,'.prop()'应该用于disabled' – smerny 2014-09-03 20:10:52
'坏我不能回复单独的笑脸:) – Sunand 2014-09-03 20:13:36