Extjs html class render

Ext.select('.datepicker').each(function(el){
new Ext.form.DateField({
 allowBlank : true,
 renderTo: el,
 format:'m-d-Y',
 editable:false,
 width:140,
 fieldCls : 'tanggal x-form-field x-form-text x-trigger-noedit',
});
});

Ext.select('.note').each(function(el){
 new Ext.form.field.TextArea({
  allowBlank : false,
  renderTo: el,
  grow      : true,
  hideLabel : true,
  fieldCls : 'pesan x-form-field x-form-text x-trigger-noedit',
  
 });
});