Set alert message for empty input : Form Validation « Ext JS « JavaScript DHTML






  1. JavaScript DHTML
  2. Ext JS
  3. Form Validation

Set alert message for empty input

  

<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>

</head>
<body>
<script type="text/javascript">
Ext.onReady(function() {
    
Ext.QuickTips.init();

var formPanelItems =[
   {
      fieldLabel : 'Alpha only',
      allowBlank : false,
      emptyText  : 'This field is empty!',
      maskRe     : /[a-z]/i,
      msgTarget : 'under',
   }
];

var fp = new Ext.form.FormPanel({
   renderTo     : Ext.getBody(),
   width        : 400,
   title        : 'Title here',
   height       : 170,
   frame        : true,
   bodyStyle    : 'padding: 5px',
   monitorValid : true,
   monitorPoll  : 50, 
   labelWidth   : 125,   
   defaultType  : 'textfield',
   defaults     : {
      msgTarget : 'side',
      anchor    : '-20'
   },
   items        : formPanelItems,
});



});
</script> 
<div id='div1'>asdf</div>
</body>
</html>








Related examples in the same category

1.Mark a form field as required
2.Set mask regular expression
3.Define your own validation type
4.Customize your own message for validation
5.Use separate function as the validation function
6.Set strip character regular expression
7.Create customized validation function for field
8.Define validation type
9.Advanced Validation Examples Using VTypes