The shorter bar

Challenge 8 of 12

Same two bars and the same question, but the answer has to come out the other way this time. Look at which bar the question names first, because that is the one it is asking about.

Set dogs so the answer is false.

Your code JavaScript

Set dogs so the answer is false.

Console print() output

0 / 30 frames · 400×400

Target

Yours

Yours over Target — ghosted shapes are in the target but missing from yours

Results

Press Run to check your code

Penalties: none this run

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Lesson Bigger or Smaller

Everything you have written so far has been an instruction: draw this, add that, do it again. This topic is about something different — a question.

score > 100

That is a question. It is asking whether the number in score is bigger than 100, and like any question it has an answer. The answer is one of only two things: true, or false. There is no third possibility and no in between.

You can see the answer, because write can draw it just as happily as it draws words and numbers:

write(score > 100, 130, 300);

If score holds 240 the canvas says true. If score holds 60 it says false. Nothing else in the sketch changes — only the word.

There are two signs to know for now:

score > 100 asks whether score is bigger
score < 100 asks whether score is smaller

The wide end of the sign always faces the bigger side, which is a fair way to remember it.

Both sides of a question can be boxes, and either side can be a sum worked out first:

cats > dogs
apples + pears > 300

In these challenges every number is drawn as a bar as long as it is big, so you can see the question as well as read it. Turn the grid on if you want to measure a bar; the numbers along the top are the same numbers you are typing.

One thing to be clear about before the next topic. A question does not do anything. It has an answer and that is all. What happens next — a colour changing, a shape appearing — is the next topic's job, and it is called if.