How to GetChecked values and Remove unchecked in array

Need to create an array having the value of selected checkbox and remove from the array when unchecked that checkbox.

kaushal Kumar Upadhyay

 

jquery code to get selected option text from dropdown

On select option from the dropdown list. I want to get the option text instead of the value of the selected option.
Example:- 
&

kaushal Kumar Upadhyay