Elisabeth Robson

because we don't want lasers only at level 42; we want lasers for all robots that reach level 42 so they keep them after that too. By adding the function...

Good work! You found the bug :-) This is the bug we find on page 70.

Or go on to Chapter 8 :-)

Hi, It's not licensed - so feel free to use it as you wish. We'd love an attribution, but it's not necessary. Let us know if the result is public...

Yes that's fine - CC with attribution. Thanks! have fun.

Because "color" is not an attribute of an HTML element. "color" is a CSS property. You need to make a CSS class, like this: ``` .red { color: red; }...

Hi adityathebe, That's because JavaScript uses "pass by value". That means the value 7 gets copied into the variable x. You increase the variable x, but that doesn't change the...

Hi Zach, When you write name = name + "img/.jpg"; if name is "zero", then you're going to get "zeroimg/.jpg" because the concatenation is putting together the two strings in...

Hi Zach, I think you want to write: colaA.sold - colaB.sold because you want to return a number. colaA and colaB are objects, so subtracting them makes no sense. To...

Hi Zach, Yes this is fine - it's not really an issue with the code itself, but "issue" extends to questions too, and answers can possibly help others, so nice...