Flash MX ActionScript: The Designers Edge

ISBN: 978-0-7821-4121-4

Paperback

384 pages

October 2002

Flash MX ActionScript: The Designers Edge (0782141218) cover image

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Do you think you've discovered an error in this book? Please check the list of errata below to see if we've already addressed the error. If not, please submit the error via our Errata Form. We will attempt to verify your error; if you're right, we will post a correction below.

Chapter	Page	Details	Date	Print Run
		Combined Errata Page 22 2nd line from bottom of page, move should be movie Page 41 The complete ActionScript for the Remove button to prevent this problem should read: on (release) { // remove the last movie clip _root["myMovie"+num_movie_clips].removeMovieClip(); // keep track of the number of duplicate movie clips if (num_movie_clips>0) { num_movie_clips--; } } Page 56 Reader: On Pg. 56 you have us type in the following code: _root.mcFrame = Math.round(Math.random() * 2 + 1);, then in the explanation on the same page you say that code should have been: _root.mcFrame = Math.round(Math.random() * 3);. While it looks similar I would expect that you would get different results due to the rules of precedence. Author: You are correct, there is a difference and a mistake in the description line. It should be Math.random()2 +1 - not Math.random()3, because we want the result to be from 1 to 3 instead of 0 to 2, we take the random of 2 and then add 1 to the result which will give us 1 to 3. thanks jennifer Page 256 The description at the bottom uses left and right arrows, Per author: There is an error in the text, in the code we are using the up and down arrows but in the text we refer to them as the left and right arrows. The text should read 'up and down arrows'. Page 301 Section 5. Add Text to Buttons and Test The last line of code printed on the page is lacking an open > > parentheses. > > _root[buttonName].SquareText.setTextFormat._root[buttonName].SquareFormat); However, it is printed correctly on page 302 as: _root[buttonName].SquareText.setTextFormat(_root[buttonName].SquareFormat);

Chapter

Page

Details

Date

Print Run

Combined Errata

Page 22

2nd line from bottom of page, move should be movie

Page 41

The complete ActionScript for the Remove button to prevent this problem should read:

on (release) {
// remove the last movie clip
_root["myMovie"+num_movie_clips].removeMovieClip();
// keep track of the number of duplicate movie clips

if (num_movie_clips>0) {
num_movie_clips--;
}

}

Page 56

Reader:
On Pg. 56 you have us type in the following code: _root.mcFrame = Math.round(Math.random() * 2 + 1);, then in the explanation on the same page you say that code should have been: _root.mcFrame = Math.round(Math.random() * 3);. While it looks similar I would expect that you would get different results due to the rules of precedence.

Author:
You are correct, there is a difference and a mistake in the description line. It should be Math.random()*2 +1 - not Math.random()*3, because we want the result to be from 1 to 3 instead of 0 to 2, we take the random of 2 and then add 1 to the result which will give us 1 to 3.
thanks
jennifer

Page 256

The description at the bottom uses left and right arrows,
Per author:
There is an error in the text, in the code we
are using the up and down arrows but in the text we refer to them as the left and right arrows.
The text should read 'up and down arrows'.

Page 301

Section 5. Add Text to Buttons and Test
The last line of code printed on the page is lacking an open
> > parentheses.
> >
_root[buttonName].SquareText.setTextFormat._root[buttonName].SquareFormat);

However, it is printed correctly on page 302 as:
_root[buttonName].SquareText.setTextFormat(_root[buttonName].SquareFormat);