JavaScript Application Cookbook
by Jerry Bradenbaugh


Following are the changes made in the 1/00 reprint:


Page 19: 2nd paragraph from bottom of page: 
Rewrote last two sentences (starting on line 4) as follows:

If the user wants to search the tile and description, validate() sets
searchType to SEARCHALL (that's the default, by the way). If the user
wants to search the URL, searchType is set to SEARCHURL. Here's how
it happens:


Page 20. last sentence.
changed all to searchType


Page 21: First line after the code
changed "all three" to "both"


Page 23: Last paragraph:
changed
	requireAll() calls noMatch()
to
	verifyManage() calls noMatch()


Page 30: Deleted last sentence in last paragraph of Buttons section.


Page 34: ternary operator box, second paragraph:

	made val1 courier, not italic


Page 45: Second paragraph, second-to-last sentence:
Changed the last part of the sentence to:

"then returns each as the content of a URL for the SRC attribute."


Page 60: In third paragraph after table:

	Changed idx to rank[idx]


Page 74 at the top:
	Changed function to style sheet.


Page 75: Second paragraph, second sentence:
	Unitalicized the word layers.


Page 85: Third sentence in first paragraph:
Changed to:
	"Clicking the left and right arrow image links, however,
	conditionally calls changeSlide()."

Page 85: Changed
	SCRIPT LANGUAGE="JavaScript1.2">
to
	<SCRIPT LANGUAGE="JavaScript1.2">


Page 87: fourth paragraph:
	Changed "screen" to "document"


Page 91: third paragraph from bottom, second sentence: 
Changed beginning of sentence to:

	"Since the user had to click the "Automate" image link to call
	autoPilot(),"


Page 100: Lines 120-121:
changed:

lyrCount = (engines.length % perLyr == 0 ? engines.length / perLyr :
Math.ceil(engines.length / perLyr);

to:

lyrCount = Math.ceil(engines.length/perLyr);


Page 106: Last paragraph of "Reusing Your Code" box:
Changed first sentence from
	"the last two chapters"
to
	"the last chapter"


Page 107:"Foregoing OO", 2nd paragraph:
	italicized "engines"


Page 107: Code at bottom of page:
changed:

lyrCount = (engines.length % perLyr == 0 ? engines.length / perLyr :
Math.ceil(engines.length / perLyr);

to:

lyrCount = Math.ceil(engines.length/perLyr);


Page 109: Second paragraph in "Preloading images", line 2:
	Inserted "in engines" before the comma.


Page 112: paragraph above URL, last sentence: 
Changed:
	Therefore, the query string should like this:
to:
	Therefore, the URL with query string should like this:


Page 131: bottom paragraph, third sentence: 
	Changed "text files" to "text fields".


Page 132: top paragraph, first and second sentence: 
Now reads:
genSelect() expects four arguments- a string containing a name for
the select list, the number of the highest valued option, the integer
at which to start displaying the numbers (incrementing by 1
thereafter), and a number specifying which option to be selected...
          

Page 136: bottom paragraph: 
Removed the sentence:
	"It certainly isn't mandatory, but makes for a nice formatting
	check."


Page 137: second paragraph, last sentence: 
	Changed "identical" to "similar"


Page 137: JavaScript Technique box, third paragraph, first sentence.
	Changed "it resides" to "they reside"


Page 138: 3rd paragraph:
	Added  "(instead of displayed on the screen)." to the end 
	of the 4th sentence.

Page 138: last paragraph, fourth and fifth sentences:
	Replaced "newline character" with "line break"    (2 instances)


Page 140: first paragraph, last sentence:
	Eliminated the word "situation".

Page 140: Second paragraph, third and fourth sentences:
Replaced the third and fourth sentences with the following:

genJavaScript() can be called in one of three way, from buttons
"Generate" and "Preview", and from function imgValid8(). Calling
genJavaScript() from "Generate" and "Preview" pass a null value to
imgTemplate.


Page 142: first paragraph, second-to-last sentence:
	Removed the word "global"



Page 149: avg(): 
	Changed "element" to "array"


Page 150: paragraph before code: 
Changed:
	document.writeln()
to:
	document.write()


Page 152: first paragraph: 
Changed last sentence to:

The other two functions iterate through the passed array, comparing
the elements with one another to determine the highest or lowest
valued element.

Page 153: End of last paragraph:
Changed:
	(0, 2, 5, 8, 1, 4, 7, 3, 6, 9)
to:
	(0, 3, 6, 9, 1, 4, 7, 2, 5, 8)


Page 160:
Changed Line 31 to:

(Math.round(Math.sqrt(Math.pow((x2 - x1), 2) + Math.pow((y2 - y1),
2)))) + ' pixels';


Page 161: Added footnote:

Note: At least some versions of NN4.x seem to respond only
intermittently to the mouse clicks. That is, some times you have to
click twice to start or stop the tracking.  I haven't found any
supporting documentation about such bug.


Page 162: top of page:
Changed showKeys() to showXY()    (3 instances)

Page 162: Changed last line of code in middle to:

Math.round(Math.sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2)))


Page 166: Last paragraph:
Removed the following sentence:

You can use absolute or relative URLs, though you could run into
trouble if any files had the same name but were located in a
different directory (e.g., index.html, ../index.html,
../../index.html).


Page 169: Eliminated lines of code 11-13 on page 169 and the last
sentence before the objects.js header.

Page 169: Last paragraph:
Changed:
	Therefore, the default is rounding to .00 if you don't 
	pass in a value for x.
to:
	Therefore, the default is rounding to two places if you don't
	pass in a value for x.


Page 173: Third paragraph, third sentence. 
	Changed "object type" to "property object type"


Page 174: First paragraph, last sentence. 
	Inserted "internal" before "hierarchy"

Page 174: Last sentence in owl section now reads:

	You get this in the JavaScript console: JavaScript
	Error: Too much recursion


Page 178: Item 3 now reads:

	3. Counts the number of occurrences of each word


Page 180: Second paragraph from bottom:
	Formatted "order" in Courier font.


Page 183: third paragraph: 
	Changed "all" to everything


Page 193: paragraph after table, second-to-last sentence:
	Changed "pixel" to "point".


Page 204: second paragraph, third sentence:
	Changed getPref() to getPrefs()

Page 214: paragraph after listing, first sentence: 
Changed:
	genLinks() is designed to receive an array of 
	two-element arrays as its lone argument.
to:
	genLinks() is designed to receive an array of 
	delimited strings as its lone argument.


Page 220: Caption Figure 8-4
	Changed the caption to "The search for great products begins
	here."


Page 225: Last paragraph, second-to-last sentence:
	Changed "relative" to "relevant"


Page 228: third paragraph, second-to-last sentence:
	Changed "onUnLoad" to "onLoad"
	Changed "BODY" to "FRAMESET"


Page 235: last sentence in the third paragraph:
	italicized "category"

Page 235: Removed from list:
	price
  	The cost of the product

Page 235: in list:
	Change "product line" to "prodLine"


Page 236: Second paragraph from bottom, first sentence:
	Changed "images/ + the name" to "images/ + the product name"


Page 244: line 171:
Changed line 171 to:
	'" onFocus="this.blur();"></TD>' +


Page 251:
Changed "Handling Exceptions" header to "Exceptions To The Rule"


Page 251: Under "1" at the bottom of the page, second sentence:
	removed extra "the"


Page 256: 4th line of code at top:
	added beginning double quotes:
	"by choosing View/Change Bag.");


Page 257: last paragraph in box: 
	Moved this sentence to outside & just after the box.


Page 258: second paragraph from bottom, second sentence: 
	Changed to categorySet[i].prodLine[j]
	(added .)


Page 267: long listing and paragraph after long listing:
	Changed form.elements[4] to form.elements[1] 
	and     form.elements[7] to form.elements[4]


Page 269. JavaScript-Technique box, 3rd paragraph:
	Italicized the word "amount" in the second line.
	Deleted the last sentence.

 
Page 272: top paragraph, last sentence: 
	Changed  showBag() to  checkOut()


Page 273:
Made the "Reset Qtys" and "Change Bag" heads into B-heads


Page 274: enumeration, item 4:
	Changed   Set the value   to   Set the quantity


Page 275: top line.
Replaced the colon at the end of the first sentence with a
period, then add the following sentence immediately after it:
	"Finally, there's freshStart():"


Page 280: fifth paragraph, last sentence.
	Changed asymmteric-key to symmetric-key.


Page 283: Execution Requirements, first sentence: 
Changed
	DHTML only, so browsers
to
	DHTML, so only browsers


page 284: last paragraph:
	Deleted the last sentence of this page.


Page 289: second paragraph in box, eighth sentence: 
Changed   
	Notice that are no parentheses   
to  
	Notice that there are no parentheses.


Page 290: first rule bullet at top of page: 0-9.
	Changed     1-9    to   0-9


Page 292: Changed 3 occurences of "cipher object" to "Cipher object."


Page 293: fifth paragraph, first sentence: 
	Italicized "chars"


Page 293: Second paragraph from bottom:
Changed
	which equals 6. chars.charAt(6) is the letter g.
to
	which equals 9. chars.charAt(9) is the letter j.


Page 295: accessing the layers.
Changed
	document.layers['caesar'].document.Shift.selectedIndex
to
	document.layers['caesar'].document.forms[0].Shift.selectedIndex


Page 296: Added a header between the first and second paragraphs called 
	"Vigenere Algorithm"


Page 296: Bottom of page, Netscape code
Changed
	document.layers['vigenere'].document.  KeyWord.value
to
	document.layers['vigenere'].document.forms[0].KeyWord.value


Page 296: bottom of page, MSIE code
	Removed the extra space before KeyWord.value


Page 301: Choosing the Right Cipher, last paragraph in section:
	Line 5: formatted "cipherArray" in constant-width.


Page 307: Figure 10-5
	Replaced with a different picture.

Page 308: first paragraph, second sentence:
	Changed "choose" to  "chooses"

Page 308: Figure 10-7: 
Added an arrow pointing from the top left box to the top right box.


Page 309: Second-to-last sentence: 
Changed to:
	Both documents are referenced in index.html.


Page 310: back.html, line 3:
	Changed line 3 of code to <TITLE>Cyber Greetings</TITLE>


Page 311: line 70:
Changed to
	VISIBILITY="' + sVis + '" z-Index=' + (++zIdx) + '>' + copy +


Page 322: third paragraph from bottom, third sentence:
Changed to
	To be sure that division by 2 comes out with an integer, 
	we'll use parseInt() to return the integer portion.


Page 323: front.html, line 113:
Changed line 113 to
	alert('You need an email address in the To: field.');


Page 323: Deleted line 126 of the code listing.


Page 324: Deleted line 189 of the code listing. 


Page 335: first paragraph, second-to-last sentence:
	Changed "vertical" to "horizontal"


Page 339: first paragraph, last sentence: 
	Changed line range to 111-129

Page 339: Deleted the line containing fObj.UniqueID.value

Page 339: Removed "UniqueID," and "all" from the third line of the
third paragraph. Also removed the last sentence of that paragraph.

Page 339: Last paragraph:
Deleted all sentences up to but not including "The last piece of..." 
Changed that sentence to "The other piece of..."


Page 354: 5th paragraph, 2nd sentence:
	Removed the word "inner" from "inner width"



Page 389: Changed Table A-49 to

Property	Description					  Version
checked		Lets you programmatically select a radio button.  1.0
defaultChecked	Reflects the CHECKED attribute.			  1.0
form	        Specifies the form containing the Radio object.	  1.0
name		Reflects the NAME attribute 			  1.0
type		Reflects the TYPE attribute.			  1.1
value		Reflects the VALUE attribute		          1.0

Changed Table A-50 to

Method		Description					Version
blur		Removes focus from the radio button.		1.1
click		Simulates a mouse-click on the radio button.	1.0
focus		Gives focus to the radio button.		1.1
handleEvent  	Invokes the handler for the specified event.  	1.2
--