gistfile1.js

var Example = new function() {

	var anotherWord = "banana";

	return function ExampleConstructor( word ) {
		this.word = word;
		//
		this.toString  = toString;
		this.getStatic = getStatic;
	}

	function toString() {
		return this.word;
	}

	function getStatic() {
		return anotherWord;
	}

}

var exampleA = new Example("Foo");
var exampleB = new Example("Bob");

console.log( "Hello " + exampleA ); // Hello Foo
console.log( "Hello " + exampleB ); // Hello Bob

console.log( exampleA.getStatic() ); // banana
console.log( exampleB.getStatic() ); // banana