export function getHashQuery (query) {
  if (location.hash.indexOf(query) > -1) {
    let cur = location.hash.slice(location.hash.indexOf(query) + query.length + 1, location.hash.length)
    if (cur.indexOf('&') > -1) {
      return cur.slice(0, cur.indexOf('&'))
    } else {
      return cur
    }
  } else {
    return false
  }
}
export function delURL (query) {
  if (query.charAt(query.length - 1) === '&') {
    return delURL(query.substring(0, query.length - 1))
  } else {
    return query
  }
}
export function inittitle (title) {
  document.title = title
  let userAgent = window.navigator.userAgent.toLowerCase()
  let isiOS = userAgent.indexOf('applewebkit') >= 0
  let isWechat = userAgent.indexOf('micromessenger') >= 0
  if (isiOS && isWechat) {
    let iframe = document.createElement('iframe')
    iframe.src = ''
    iframe.style.display = 'none'
    document.body.appendChild(iframe)
    iframe.onload = function () {
      setTimeout(function () {
        iframe.remove()
      }, 0)
    }
  }
}