Fibonacci with ES6 generators

gistfile1.js

function *fibonacci(numbers) {
	var prevValue = 0;
	var currentValue = 1;
	var newValue = 0;
	for(var i = 0; i < numbers; i++) {
		newValue = currentValue+prevValue;
		prevValue = currentValue;
		currentValue = newValue;
 
		yield currentValue;
	}
}
 
for (var v of fibonacci(10)) {
    console.log( v );
}