BJ_web_developers / cityOperationCenter

  var slice = Array.prototype.slice
  
  module.exports = iterativelyWalk
  
  function iterativelyWalk(nodes, cb) {
      if (!('length' in nodes)) {
          nodes = [nodes]
      }
      
      nodes = slice.call(nodes)
  
      while(nodes.length) {
          var node = nodes.shift(),
              ret = cb(node)
  
          if (ret) {
              return ret
          }
  
          if (node.childNodes && node.childNodes.length) {
              nodes = slice.call(node.childNodes).concat(nodes)
          }
      }
  }