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Build Your Own AJAX Web Applications

Corrections & Typos

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Confirmed typos in the June 2006 1st edition:

p.16, 1st code listing

The second line of code on the page should be terminated by a semi-colon, not a comma. i.e.
this.responseFormat = 'text'; // 'text', 'xml', or 'object'
p.31, first paragraph

somepage.php should read fakeserver.php.
p.46, 3rd code listing

The variable self is supposed to be a pointer to the function ScopeTest. As it appears in the book, self is being set to the result of ScopeTest, which is incorrect. To correct this, remove the parentheses from this assignment, as shown here:
```
var onTimeout = function() {
  var self = ScopeTest;
  alert(self.message);
}
```
p.116

The .screenReader class used in the CSS code sample should be named .readerText.
pp.211-214

Google have stopped issuing keys for their SOAP Web API; unfortunately this part of the chapter can no longer be followed unless you already have a Google SOAP API key.
p.209-212 code listings

The code listed incorrectly declares variables using the JavaScript keyword var. Variable declarations should not be preceded by var in PHP; each occurrence of this word should be removed for the PHP code to be correct.
p.247 & 250, code listings

references to this.boardSize and this.panelSize should be self.boardSize and self.panelSize respectively
p.248, last code listing

The if condition that includes ((j + 1) % 2 > 0) should read ((j + i) % 2 > 0)
Code archive, chapter 8, chess.php

$out = '{"respStatus":"update", "respData":'.getGame().'}'; should be $out = '{"respStatus":"update", "respData":'.$game->getFromFile().'}';

Due to the function strftime not working cross platform replace $moveTime = strftime('%Y-%m-%d %T', time()); with $moveTime = date('Y-m-d H:i:s', mktime());