When using “wat” + 1 instead of “wat” - 1 as argument, the addition operator converts 1 to a string instead of converting “wat” to a number, so it effectively calls Array(16).join(“wat1”).
When using “wat” + 1 instead of “wat” - 1 as argument, the addition operator converts 1 to a string instead of converting “wat” to a number, so it effectively calls Array(16).join(“wat1”).