我有一個表格,訪客可以預定一個抵達日期和出發日期。如果他們點擊一個輸入欄,會彈出一個日曆讓他們選擇一個日期。如果出發日期是< =抵達日期,我如何添加彈出的JS警報?我的代碼如下:JS提醒如果輸入日期2 <=日期1
<head>
...
<script type="text/javascript" src="js/CalendarPopup.js"></script>
<script type="text/javascript">document.write(getCalendarStyles());</script>
...
</head
<script type="text/javascript" id="jsArrive">
var now = new Date();
var yesterday = new Date(now);
yesterday.setDate(now.getDate() - 1);
var calArrive = new CalendarPopup("divArrive");
</script>
<b>Arrive:</b>
<input type="text" name="dateArrive" value="" size="15" onClick="calArrive.select(document.forms[0].dateArrive,'dateArrive','d/M/yyyy'); return false;" title="calArrive.select(document.forms[0].dateArrive,'dateArrive','d/M/yyyy'); return false;" id="dateArrive" />
</p>
<div id="divArrive" style="position:absolute;visibility:hidden;background-color:white;layer-background-color:white;"></div>
<script type="text/javascript" id="jsDepart">
var now = new Date();
var yesterday = new Date(now);
yesterday.setDate(now.getDate() - 1);
var calDepart = new CalendarPopup("divDepart");
</script>
<b>Depart:</b>
<input type="text" name="dateDepart" value="" size="15" onClick="calDepart.select(document.forms[0].dateDepart,'dateDepart','d/M/yyyy'); return false;" title="calDepart.select(document.forms[0].dateDepart,'dateDepart','d/M/yyyy'); return false;" id="dateDepart" />
<input type="submit" value="Go" name="submit" />
</p>
<div id="divDepart" style="position:absolute;visibility:hidden;background-color:white;layer-background-color:white;"></div>
是'calArrive'和'calDepart'日期對象? –
@ JaromandaX-see'var calArrive = new CalendarPopup(「divArrive」);' – RobG
d'oh ...新...我是個白癡 –