alert message when click on edititem form

Hi all,

i have  a list named testlist with title column in sharepoint 2013 site.In that list i added some items.My requirement is when i select one item in list and once click on edit item in the ribbon i need one alert box and in that alert box i need to show the title value whatever i selected.Please suggest how to implement this.Thanks in advance.

Regards,

praveen