Recursion Factorial
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//recurrive function
/*
1. Identify the base case
2. Identify the recursive case
3. Get closer and closer and return when needed. Usually you have 2 returns
*/
let counter = 0;
function inception(){
if(counter > 3){
return 'done!';
}
counter++;
return inception();
}
//console.log(inception());
//Write two functions that finds the factorial of any number. One should use
// recurrive. One should use recursive, the other should just
// Factorial 5! = 5 * 4 * 3* 2 * 1;
function FactorialRecursive(number){
if(number === 2) {
return 2;
}
return number * FactorialRecursive(number - 1)
}
console.log(FactorialRecursive(5));
function FactorialIterative(number){
let answer = 1;
if(number === 2){
return 2;
}
for(let i = 2; i <= number; i++){
answer = answer * i ;
}
return answer;
}
console.log(FactorialIterative(5))
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