Coding Tutorial, Chapter 5d
© 21 July, 2013, Martin Rinehart
Buttons added to your boxes.
Add this comment and code line before your other
Button prototype methods. (Reader Rajeev Bahuguna suggested using
sum() in lieu of
shallow_copy() to preserve the
Box objects were added to
document.body. We should be able to add them inside other
Box objects. We absolutely must be able to add
Button objects inside
Box objects. This requires improving the original
appendChild() logic. (Note that this has nothing to do with inheritance, everything to do with appending to the DOM tree.)
As the comment shows, this comes at the end of
Ready to test! Add some
Buttons to your boxes. This one tests a custom background color.
Feedback: Martin Rinehart at gmail dot com.
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