An example of using valums file uploader and how to modify the list item onComplete

valums-file-uploader-example.js

var uploader = new qq.FileUploader({
    onComplete: function(id, filename, responseJSON) {
        if (responseJSON.success) {
            var item = uploader._getItemByFileId(id);
            var myElement = uploader._getElement(item, 'myCustomClass');
            myElement.style.display = 'inline-block';
        }
    },
    fileTemplate: 
        '<li>' +
            // ...
            '<span class="qq-upload-foobar"></span>' +
        '</li>',
    classes: {
        // ...
        myCustomClass: 'qq-upload-foobar'
    }
});