// Do the Gaussian. Sum to 10 equals 55!
var sumThis = {
        thesum: 0,
        numbers: [ 1,2,3,4,5,6,7,8,9,10 ],
        doIt: function() {
                this.numbers.forEach(
                        function(number) {
                                this.thesum+=number;                             
                        }
                ,this);
        }
}

sumThis.doIt();
document.write(sumThis.thesum);

Output
55