Hello. I need help to function in Internet Explorer

Hello. I need help to function in Internet Explorer

works for Chrome, Mozilla ... but I need help please to work in Internet Explorer

Detail:

  1. $(document).ready(function () {
  3.  $.each({ nombre:'Nombre', apellido:'Apellido', razon:'Razón Social' },
  4.    function(key,val){$('.datos_pers').append('<a class="'+key+'_tip">'+val,
  5.   '<span class="'+key+'_arrow">▼');
  6.   var tip_datos = $('a.'+key+'_tip'+',span.'+key+'_arrow');   
  7.   $('input.'+key).hover(function(){ tip_datos.toggle(); 
  8.    });
  9.  });

  11. });

MIKEPIANIST