Tell us what’s happening: c should not contain undefined and should have a value of “I am a String!”
You should not change code below the specified comment
help, what’s wrong with my code
Your code so far
// Only change code below this line
var a = 5;
var b = 10;
var c = "I am a String!";
// Only change code above this line
a = 6;
b = 15;
c = c + "String!";