Storing Values with the Assignment Operator (Help please)

Tell us what’s happening:

Your code so far

// Setup
var a;
var b = 2;

// Only change code below this line

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/storing-values-with-the-assignment-operator