Basic JavaScript - Understanding Uninitialized Variables

Tell us what’s happening:
Describe your issue in detail here.
actually whenever i run the code it shows c contains undefined …why?

Your code so far

// Only change code below this line
var a=5;
var b=10;
var c="I am a";
// Only change code above this line
a = a + 1;
b = b + 5;
c = c + "String!";

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36

Challenge: Basic JavaScript - Understanding Uninitialized Variables

Link to the challenge:

Hi there and welcome to our community!

I can’t tell you why you’re getting the undefined message but you are getting an error because you have slightly modified the code below the line.
If you reset the lesson and then complete the code above the line again, you should pass.

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