Проблема с javascript в IE

function print_entries()
{
$('#entries').empty();

var o = "";
o += "<table class='devices'>";
o += '<thead><tr>';
o += "<td><img src='/img/checkbox.png'></td><td>Маркировка</td>";
for (var j in schema)
{
if (schema[j][1] & 1)
{
o += '<td>'+schema[j][0]+'</td>';
}
}
o += '<td></td></tr></thead>';
for (var i=0; i<entries.length; i++)
{
// o += "<tr><td>"+(i+1)+'</td><td>'+entries[1]+'</td>';
o += "<tr><td><img src='/img/checkbox_checked.png'></td><td>"+entries[1]+'</td>';
/* for (var j in available_filters)
{
o += '<td>'+entries[2][j]+'</td>';
}
*/
for (var j in schema)
{
if (schema[j][1] & 1)
{
var value = entries[2][j];
if (value === undefined)
value = '-';
o += '<td>'+value+'</td>';
}
}
o += "<td><a href='/teko/device/"+entries[0]+"'>sm</a></td></tr>";
}
o += "</table>";
$('#entries').append(o);
}

function get_iid(string) {
if (string.indexOf('filter_') == -1) {
return "";
} else {
return (string.substring(string.indexOf('filter_')+'filter_'.length, string.length));
}
}


function update_filters() {
const PROPERTIES = 2;

entries = new Array();
var iid = get_iid(last_active_object);
var fields_iid = fields[iid];

for (var j in available_filters)
{
fields[j] = new Array();
}