The dropdownl list default value issu in IE of jqGrid cell eding

The dropdownlist in jqGrid cell edit has an issue in IE.

Let's see what happens

In jqGrid js file

var oSv = options.value;
} else if (typeof options.value === 'object') {
    var oSv = options.value;
    for ( var key in oSv) {
        if (oSv.hasOwnProperty(key ) ){
            ov = document.createElement("option");
            ov.setAttribute("role","option");
            ov.value = key; ov.innerHTML = oSv[key];
            
            
            // this line set option to be selected and the selectedIndex is correct
            if (!msl &&  ( $.trim(key) == $.trim(vl) || $.trim(oSv[key]) == $.trim(vl)) ) { ov.selected ="selected"; }
                        
            
            if (msl && ($.inArray($.trim(oSv[key]),ovm)>-1 || $.inArray($.trim(key),ovm)>-1)) { ov.selected ="selected"; }
            elem.appendChild(ov);
        }
    }
}

// before this line the selectedIndex is correct
setAttributes(elem, options);
// but after this line the selectedIndex is incorrect

The problem must be setAttributes(elem, options);

function setAttributes(elm, atr) {
    var exclude = ['dataInit','dataEvents','dataUrl', 'buildSelect','sopt', 'searchhidden', 'defaultValue', 'attr'];
    $.each(atr, function(key, value){
        if($.inArray(key, exclude) === -1) {
            $(elm).attr(key,value);
        }
    });
    if(!atr.hasOwnProperty('id')) {
        $(elm).attr('id', $.jgrid.randId());
}

Notice this line

$(elm).attr(key,value);

The key is "value" and the value is "{RMB:'RMB', USD:'USD', EUR:'EUR', AUD: 'AUD', GBP:'GBP', SGD: 'SGD'}"

Here is the problem. We can add key "value" to exclude array.

Now the functions reads

function setAttributes(elm, atr) {
    var exclude = ['dataInit','dataEvents','dataUrl', 'buildSelect','sopt', 'searchhidden', 'defaultValue', 'attr'];
    $.each(atr, function(key, value){
        if($.inArray(key, exclude) === -1) {
            $(elm).attr(key,value);
        }
    });
    if(!atr.hasOwnProperty('id')) {
        $(elm).attr('id', $.jgrid.randId());
}

It works well now.