inherited.js

dojo.declare("Foo", null, { 
    constructor: function(a){ dojo.mixin(this, a); },
    bar: function(a, b){
        console.log(a, b);
    }
});

dojo.declare("Baz", Foo, {
    bar: function(b, a){ 
        // "bar" is name, "arguments" is required, "[a,b] is new arguments to pass"
        this.inherited("bar", arguments, [a, b]); 
    }
});

var x = new Baz();
x.bar(2, 1); // outputs "1, 2" from inherited bar.