h5 手机端页面点击关闭后关闭当前页面

closePage = () => {
    var userAgent = navigator.userAgent;
    if (
      userAgent.indexOf("Firefox") != -1 ||
      userAgent.indexOf("Chrome") != -1
    ) {
      window.location.href = "about:blank";
    } else if (
      userAgent.indexOf("Android") > -1 ||
      userAgent.indexOf("Linux") > -1
    ) {
      window.opener = null;
      window.open("about:blank", "_self", "").close();
    } else {
      window.opener = null;
      window.open("about:blank", "_self");
      window.close();
    }
  };