ericrrichards

function Foo( a, b, c, d, e ){
    a = typeof a !== 'undefined' ? a : 0;
    b = typeof b !== 'undefined' ? b : 0;
    c = typeof c !== 'undefined' ? c : 0;
    d = typeof d !== 'undefined' ? d : 0;
    e = typeof e !== 'undefined' ? e : 1;
    return (a + b + c + d ) / e;
}

ericrrichards

function Foo( args ){
    var a = 0;
    var b = 0;
    var c = 0;
    var d = 0;
    var e = 1;
    if ( args['a'] ) a = args['a'];
    if ( args['b'] ) b = args['b'];
    if ( args['c'] ) c = args['c'];
    if ( args['d'] ) d = args['d'];

ericrrichards

void Foo( int a, int b, int c = 0, int d = 0, int e = 1){
    return (a + b + c + d)/e;
}

ericrrichards

void Foo( int a, int b, int c, int d, int e){
    return (a + b + c + d) / e;
}

void Foo ( int a, int b ){
    return Foo(a, b, 0, 0, 1);
}