Deshabilitar JavaScript de autocompletar
someForm.setAttribute( "autocomplete", "off" );
someFormElm.setAttribute( "autocomplete", "off" );
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someForm.setAttribute( "autocomplete", "off" );
someFormElm.setAttribute( "autocomplete", "off" );
# If want to turn off auto complete for some inputs and not all
#listen on the focus event on each input, access
#the target and and turn off autocomplete accordingly
e.target.offsetParent.autocomplete = "off";