We may see that we don’t get proper output in IE when we try to use

document.getElementById('my_id').innerHTML="mm";

This mainly happens in the case we try to implement innerHTML into the select tag. The way I recommend to overcome this situation is to use jquery. We can write the content in jquery as follows:

$('#my_id').html("<option value='mm'>mm</option>");

I had tested it and saw that it’s working.