Graph_dfs.js

dfs(startingNode){
  let visited = this.createVisitedObject();
  this.dfsHelper(startingNode, visited);
}

dfsHelper(startingNode, visited){
  visited[startingNode] = true;
  console.log(startingNode);

  let arr = this.AdjList.get(startingNode);

  for(let elem of arr){
    if(!visited[elem]){
      this.dfsHelper(elem, visited);
    }
  }
}