var countdown = function(value) {
if (value > 0) {
console.log(value);
return countdown(value - 1);
} else {
return value;
}
};
countdown(10);function fibonacciRecursive(n) {
if (n < 2) {
return n
}
return fibonacciRecursive(n - 1) + fibonacciRecursive(n - 2)
}
fibonacciRecursive(8);
// 21/*
Recursion is when a function calls itself until someone stops it.
If no one stops it then it'll recurse (call itself) forever.
*/
// program to count down numbers to 1
function countDown(number) {
// display the number
console.log(number);
// decrease the number value
const newNumber = number - 1;
// base case
if (newNumber > 0) {
countDown(newNumber);
}
}
countDown(4);
// Out put:
4
3
2
1Recusrion:
function test(n){
if(n>0){
console.log(n)
test(n-1)
}
}
test(10)
test(20)
test(30)function walkTree(node) {
if (node == null) //
return;
// do something with node
for (var i = 0; i < node.childNodes.length; i++) {
walkTree(node.childNodes[i]);
}
}