JS function simple perf test

var removeParam = () => {};
var addParam = () => {};
var thing = { toggle: { checked: true } };
var domNodesCount = 20;

var functionOne = () => {
	let listTitle = '';

	for (let i=domNodesCount; i>0; i--) {
		if( thing.toggle.checked ) {
			addParam( listTitle );
        } else {
            removeParam( listTitle );
        }
    }
}

var functionTwo = () => {
	let listTitle = '';
	let addOrRemoveParam = () => {
		return addParam( listTitle );
    }
	if( thing.toggle.checked ) {
		addOrRemoveParam = function ( listTitle ) {
            return removeParam( listTitle );
        }
	}

	for (let i=domNodesCount; i>0; i--) {
		addOrRemoveParam( listTitle );
    }
}

var iterations = 1000000;
console.time('Function #1');
for(var i = 0; i < iterations; i++ ){
    functionOne();
};
console.timeEnd('Function #1')

console.time('Function #2');
for(var i = 0; i < iterations; i++ ){
    functionTwo();
};
console.timeEnd('Function #2')