Help my code no work

Tell us what’s happening:
Code no work why?

Your code so far

// Only change code below this line
var a;
var b;
var c;
// Only change code above this line

a = a + 5;
b = b + 10;
c = " String!";

a = 5;
b = 10;
c = "I am a";

var a = 5;
var b = 10;
var c = "I am a";

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36.

Challenge: Understanding Uninitialized Variables

Link to the challenge:

You need to only change the code between the comments. It’s mentioned there.

You’re declaring the same variables again and changing the code which you shouldn’t.

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Those where failed attemps that why they outside

Make your changes here according challenge description. It’ll work.

Also, remove this code.

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