Fix the bug question

Question

Do people really not test their solution before they post it? I sure saw a lot of nulls and undefined for...

// Language: JavaScript
// Task Description: By only changing the plus signs in the object a, make the code print "1 2 3".

Not to mention 0, 1, 2 results.

Answer 1

Can me it more clear I'm not reaching your thinking

Answer 2

Post a thread

Answer 3

The majority of the "solutions" in the comments section either don't work or produce the wrong answer.

Answer 4

🧐🙄 Umm, isn't that what this is?