extjs3 - ExtJs datepicker listener -


i have datefield on form:

        var intform = new ext.formpanel({         width: 350,         autoheight: true,         bodystyle: 'padding: 10px 10px 10px 10px;',         labelwidth: 70,         defaults: {             anchor: '95%',             allowblank: false,             msgtarget: 'side'         },items:[{             xtype:'datefield',             fieldlabel: 'Выберете дату',             name: 'intdate',             anchor:'80%',             maxvalue: new date(),             listeners:{                 'change': function(this,newvalue,oldvalue){                     alert('newvalue');                 }             }         }]     });

but whe start application error:

 syntaxerror: missing formal parameter    'change': function(this,newvalue,oldvalue){

i cant use listeners when create datefield this, gonna use variable create datefield?

you have syntax error, cannot use this parameter name change field or other name

var intform = new ext.formpanel({     width : 350,     autoheight : true,     bodystyle : 'padding: 10px 10px 10px 10px;',     labelwidth : 70,     defaults : {         anchor : '95%',         allowblank : false,         msgtarget : 'side'     },     items : [{         xtype : 'datefield',         fieldlabel : 'Выберете дату',         name : 'intdate',         anchor : '80%',         maxvalue : new date(),         listeners : {             'change' : function(field, newvalue, oldvalue) {                 alert('newvalue');             }         }     }] });

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