Basic JavaScript - Understanding Uninitialized Variables

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

// Only change code below this line
var a;6
var b;15
var c; " String!";
// Only change code above this line

a = a + 6;
b = b + 15;
c = c + " String!";
var a;6
var b;15
var c;"I am String";

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Challenge: Basic JavaScript - Understanding Uninitialized Variables

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