JS Recursion 1/2 Pyramid

recursion.js

//let stackCount = 0; // show stack sequence
let height = 4;
draw(height)

function draw(h) {
  
  if (h === 0) {
    return;
  }
  
  //stackCount = h -1
  // console.log(stackCount)
  draw(h - 1)
  //console.log('run stack ' +h)
  
  let str = ""
  for (let i = 0; i < h; i++) {
    str += '#'
  }
  console.log(str)
}