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javascript - setting the id attribute of an input element dynamically in IE: alternative for setAttribute method

I'm looking at dynamically setting the ID attribute of HTML Input elements which are created dynamically in my application.

My implementation works fine with the setAttribute method in Firefox. Any ideas or solutions on a working implementation in IE would be appreciated.

 var hiddenInput = document.createElement("input");
    hiddenInput.setAttribute("id", "uniqueIdentifier");
    hiddenInput.setAttribute("type", "hidden");                     
    hiddenInput.setAttribute("value", ID);
    hiddenInput.setAttribute("class", "ListItem");

I modified some sample code from blogs relating to this problem that suggest the following workround. Again the Firefox bit works well but the IE bit doens't

var hiddenInput = null;

try { 
hiddenInput  = document.createElement('<input name=''+"hiddenInputName"+''   />');
                    hiddenInput.id = "uniqueIdentifier";
                    //alert(document.getElementById("uniqueIdentifier")); 
                   hiddenInput.type = "hidden";
                } catch (e) { }            
                if (!hiddenInput || !hiddenInput.name) { // Not in IE, then
                     var hiddenInput = document.createElement("input");
    hiddenInput.setAttribute("id", "uniqueIdentifier");
    hiddenInput.setAttribute("type", "hidden");                     

            }

Cheers.

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This code work in IE7 and Chrome:

var hiddenInput = document.createElement("input");
    hiddenInput.setAttribute("id", "uniqueIdentifier");
    hiddenInput.setAttribute("type", "hidden");                     
    hiddenInput.setAttribute("value", 'ID');
    hiddenInput.setAttribute("class", "ListItem");

$('body').append(hiddenInput);

Maybe problem somewhere else ?


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