JS隐藏号码中间4位代码实例

function resetPhone(phone) {
  var str = String(phone)
  var len = str.length;
  var prev,next;
  if (len >= 7) {
    prev = str.slice(-len,-7)
    next = str.slice(-3)
    str = prev+""+next
  } else if (len < 7 && len >= 6) {
    prev = str.slice(-len,-4)
    next = str.slice(-2)
    str = prev + "" + next
  }
  console.log(str)
  return str
}

function resetPhone(phone) {
  var str = String(phone)
  var len = str.length;
  if (len >= 7) {
    var reg = str.slice(-7, -3)
    return str.replace(reg, "")
  } else if (len < 7 && len >= 6) {
    //1234567
    var reg = str.slice(-4, -2)
    return str.replace(reg, "")
  }
}