1、错误描述
jquery.easyui.min.js:8311 Uncaught TypeError: Cannot read property 'length' of undefined
at _5ce (jquery.easyui.min.js:8311)
at show (jquery.easyui.min.js:8375)
at HTMLDivElement.<anonymous> (jquery.easyui.min.js:8463)
at Function.each (jquery.min.js:2)
at m.fn.init.each (jquery.min.js:2)
at m.fn.init.$.fn.calendar (jquery.easyui.min.js:8450)
at HTMLDivElement.<anonymous> (jquery.easyui.min.js:8483)
at Function.each (jquery.min.js:2)
at m.fn.init.each (jquery.min.js:2)
at Object.moveTo (jquery.easyui.min.js:8474)
_5ce @ jquery.easyui.min.js:8311
show @ jquery.easyui.min.js:8375
(anonymous) @ jquery.easyui.min.js:8463
each @ jquery.min.js:2
each @ jquery.min.js:2
$.fn.calendar @ jquery.easyui.min.js:8450
(anonymous) @ jquery.easyui.min.js:8483
each @ jquery.min.js:2
each @ jquery.min.js:2
moveTo @ jquery.easyui.min.js:8474
$.fn.calendar @ jquery.easyui.min.js:8447
_b32 @ jquery.easyui.min.js:14962
onShowPanel @ jquery.easyui.min.js:14870
onOpen @ jquery.easyui.min.js:13194
cb @ jquery.easyui.min.js:3144
_239 @ jquery.easyui.min.js:3134
(anonymous) @ jquery.easyui.min.js:3372
each @ jquery.min.js:2
each @ jquery.min.js:2
open @ jquery.easyui.min.js:3371
$.fn.panel @ jquery.easyui.min.js:3329
_a05 @ jquery.easyui.min.js:13324
(anonymous) @ jquery.easyui.min.js:13481
each @ jquery.min.js:2
each @ jquery.min.js:2
showPanel @ jquery.easyui.min.js:13480
$.fn.combo @ jquery.easyui.min.js:13441
_9f8 @ jquery.easyui.min.js:13241
handler @ jquery.easyui.min.js:13209
(anonymous) @ jquery.easyui.min.js:6920
dispatch @ jquery.min.js:4
r.handle @ jquery.min.js:42、错误原因
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>switch-case语句控制函数返回值</title>
<link rel="stylesheet" href="../css/themes/black/easyui.css" />
<link rel="stylesheet" href="../css/themes/icon.css" />
<link rel="stylesheet" href="../css/demo.css" />
<script type="text/javascript" src="../js/jquery.min.js" ></script>
<script type="text/javascript" src="../js/jquery.easyui.min.js" ></script>
<script>
$(function(){
$("#monthDate").datebox({
formatter: function(date){
return date.getFullYear()+'-'+(date.getMonth()+1)+'-'+date.getDate();
},
parser: function(date){
return new Date(Date.parse(date.replace(/-/g,"/")));
}
});
});
function dateFormatter(date){
return (date.getMonth()+1);
}
</script>
</head>
<body>
<div>
<input id="monthDate" class="easyui-datebox" labelPosition="top"><br><br>
<input type="text" id="month" /><br><br>
<button>动态获取月份</button>
</div>
</body>
</html>
3、解决办法