Question: im creating community event site where i have city and events in that city. i would like to give option for user to select which cities he would like to see the events for. whats the best way to do this? i have created content type of city and events, and using entity referrence to tie events to the city, now im kinda stuck on how do i give a user ability to chose which city/cities he wants to view events for. thanks in advance

Answer: 
The easy way is to use install [jQuery Update module](https://www.drupal.org/project/jquery_update), which gives you the option to use new version of jQuery.

* Download the jQuery Update mobile and extract it into sites/all/modules
* Go to modules and enable the jQuery Update model
* Visit `http://mysite/admin/config/development/jquery_update` to select which version would you like to use

You can also use [jQuery Multi module](https://www.drupal.org/project/jqmulti) to update the jQuery module, the installation process is same as jQuery Update.
Use the module [Jquery Update](https://www.drupal.org/project/jquery_update):

> 
> Upgrades the version of jQuery in Drupal core to a newer version of
>  jQuery.
> 
> 
> 

For 1.11, I believe you will need to use the DEV version, and take a look at [this](https://www.drupal.org/node/2197249) item in the Issue Queue for updating to that version.