Show posts recursively

gistfile1.js

function printComments(comments, depth) {
  for(var i = 0; i < comments.length; i++) {
    var c = comments[i];
    console.log(getSpaces(depth * 2) + "My post is " + c.post);
    if(c.hasOwnProperty("children")) {
      printComments(c.children, depth + 1);
    }
  }
}

function getSpaces(n_spaces) {
  spaces = "";
  for(var i = 0; i < n_spaces; i++) {
    spaces += " ";
  }
  return spaces;
}

json = [
  {
    id: 2,
    post: 73,
    parent: 0,
    children: [
      {
        id: 3,
        post: 73,
        parent: 2
      }
    ],
  },
  {
    id: 4,
    post: 29,
    parent: 0
  }
];
printComments(json, 0);

/* Output:

My post is 73
  My post is 73
My post is 29

*/