ios中safari无痕浏览模式下，localStorage的支持情况

//判断浏览是否支持localStorage
function isLocalStorageSupport{
    try {
        var isSupport = ‘localStorage‘ in window && window[‘localStorage‘] !== null;
        if (isSupport) {
        localStorage.setItem("local_storage_test", "1");
        localStorage.removeItem("local_storage_test");
        }
        return isSupport;
    } catch (e) {
        return false;
    }
}
//判断浏览器是否开启无痕模式
function  isInPrivate(){
      try {
        localStorage.setItem("local_storage_test", "1");
        localStorage.removeItem("local_storage_test");
        return false;
      } catch(e){
        return true;
      }
    }