async recursion example

async_recursion_example.js

var count = 0
var countWithDelay = 0

function recurse() {
	console.log('recurse: %d', count)

    if (count++ === 100)  return
    
    setImmediate(recurse)
}

function recurseWithDelay() {
	console.log('recurseWithDelay: %d', countWithDelay)

    if (countWithDelay++ === 100)  return
    
    // recurse a second from now
    setTimeout(recurseWithDelay, 1000)
}

function recurseInternalState(state) {
	console.log('recurseInternalState: %d', state)

    if (state++ ===  100)  return 
    
    setImmediate(function () {
        recurseInternalState(state)
    })
}

recurse()
recurseWithDelay()
recurseInternalState(0)