fibonacci logic in js code example

Example 1: fibonacci javascript

function Fibonacci(num){
	var before = 0;
	var actual = 1;
	var next = 1;

	for(let i = 0; i < num; i++){
		console.log(next)
		before = actual + next;
		actual = next
		next = before
	}
}

Fibonacci(100);

Example 2: fibonacci javascript

function fibonacci(num){ 
	var num1=0; 
	var num2=1; 
	var sum; 
	var i=0; 
	for (i = 0; i < num; i++){ 
		sum=num1+num2; 
		num1=num2; 
		num2=sum; 
	} 
	return num2; 
}