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Understanding Uninitialized Variables

When JavaScript variables are declared, they have an initial value of undefined. If you do a mathematical operation on an undefined variable your result will be NaN which means "Not a Number". If you concatenate a string with an undefined variable, you will get a string of undefined.

Initialize the three variables a, b, and c with 5, 10, and "I am a" respectively so that they will not be undefined.

Tests

  • Waiting: 1. a should be defined and have a final value of 6.
  • Waiting: 2. b should be defined and have a final value of 15.
  • Waiting: 3. c should not contain undefined and should have a final value of the string I am a String!
  • Waiting: 4. You should not change code below the specified comment.
/**
* Your test output will go here
*/