code: function getSiblingElements(node, select) {
    if (isWindow(node)) node = document.documentElement;
    var targets = []
    var temp = []
    if (!select) return
    if (typeof select == 'string') {
      temp = select.split(' ')
    }
    if (isArray(select)) {
      temp = select
    }
    temp.forEach(function (item) {
      var char0 = item.charAt(0)
      if (char0 == '#') {
        targets = targets.concat(document.getElementById(item.substring(1)))
      } else
      if (char0 == '.') {
        targets = targets.concat(toArray(getElementsByClassName(node, item.substring(1))))
      } else {
        targets = targets.concat(toArray(node.getElementsByTagName(item)))
      }
    })
    if (targets.length) return targets
  }
docs: /*获取互不为子的元素集合
  @node {Object} dom对象
  @select {String} 选择器
  Sample: getSiblingElements(doument, '.aaa #bbb img div')