var_dump.js

window.scope = 0
 
var replicate = function(times, char) {
  var i, acc = "";
  for (i = 0; i < times; i++)
    acc += char
  return acc
}
 
var dump = function(data) {
  switch (typeof data) {
    case "string":
      return dumpString(data)
    case "number":
      return dumpNumber(data)
    case "object":
      return dumpArray(data)
    default:
      return dumpUnknown(data)
  } 
}
 
var dumpString = function(data) { return "string<" + data.length + ">('" + data + "')\n" }
var dumpNumber = function(data) { return "number(" + data + ")\n" }
var dumpArray = function(data) {
  var i, template = "";
  window.scope++;
  template += "array<" + data.length + ">("
  if (data.length > 0) template += "\n"
  for (i = 0; i < data.length; i++) {
    template += replicate(window.scope * 2, " ") + "[" + i + "] " + dump(data[i])
  }
  template += (data.length > 0 ? (replicate((window.scope * 2) - 2, " ")) : "") + ")\n"
  window.scope--;
  return template
}
var dumpUnknown = function(data) { console.log("unknown(" + typeof data + ")") }

dump(["marcelo", 23, ["camargo", 1], 98, []])