Array.prototype.unique = function () {
  var r = []
  var n = {}

  for(var i = 0; i < this.length; i++) {
    var val = this[i]
    var type = typeof val

    if (!n[val]) {
      r.push(val)
      n[val] = [type]
    } else if (n[val].indexOf(type) < 0) {
      r.push(val)
      n[val].push(type)
    }
  }

  return r
}

var arr = [112,112,34,'你好','112',112,34,'你好','str','str1', {}, {}, null, null]

arr.unique() // [112, 34, "你好", "112", "str", "str1", {…}, null]

export let setFocus = (target) => {
  let t = jQuery(target).val()
  jQuery(target).val('').focus().val(t)
}

setFocus('input')

function get(obj, props, def) {
  if ((obj == null) || obj == null || typeof props !== 'string') return def;

  const temp = props.split('.');
  const fieldArr = [].concat(temp);

  temp.forEach((e, i) => {
    if (/^(\w+)\[(\w+)\]$/.test(e)) {
      const matchs = e.match(/^(\w+)\[(\w+)\]$/);
      const field1 = matchs[1];
      const field2 = matchs[2];
      const index = fieldArr.indexOf(e);
      fieldArr.splice(index, 1, field1, field2);
    }
  })

  return fieldArr.reduce((pre, cur) => {
    const target = pre[cur] || def;

    if (target instanceof Array) {
      return [].concat(target);
    }
    if (target instanceof Object) {
      return Object.assign({}, target)
    }
    return target;
  }, obj)
}

export let getUrlParam = (name) => {
  let reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)')
  let r = window.location.search.substr(1).match(reg)

  if (r != null) {
    return decodeURI(r[2])
  } else {
    return null
  }
}