codice:
var AddFileToList = function () { 
    
    this.send = function (inputFile) { 
        .............. 
        ................... 
    } 

    this.addInputFile = function (inputFile) { 
        var obj = this;
        inputFile.addEventListener("change", function (e) { 
            
            .............. 
            ...................
            obj.send(this); 
        }, false); 
    } 
}