How to work with variables in jquery?

Question

JavaScript

For the first time I saw jquery, somehow I didn’t understand how to pass the value of a variable from the

jsfiddle.net/zvo4c4e6/1

loop Whatever I choose in the radiobutton, the value of a and b, respectively, and strr remains the same.

Answer 1

Whatever I choose in the radiobutton, the value of a and b, respectively, and strr remains the same.

1. You initialize variables a and b , and write to $a and $b .
   

   did not understand how to pass the value of the variable from the loop

   There is no loop in your code.
   Variables in jQuery are no different than variables in the rest of javascript.
   Should be like this - jsfiddle.net/koceg/zvo4c4e6/2