IvanOnTech Smart Contract Programming Course, Eloquent JavaScript Chapter 2, Problem 1: Create an n-tall/wide tree from a pattern (nominally '#'s)

recursetree.js

function recursetree(pattern, endlevel ) {
  // Create an n-tall/wide tree from a pattern (nominally '#'s)
  // Recursive solution by Bob Clark 3/19/19
    console.log(pattern);
    if (pattern.length < endlevel) {
        recursetree(pattern + '#', endlevel);
    }
}