Tài liệu Javascript bible Chapter 52 pptx
Tài liệu Javascript bible_ Chapter 52 pptx
... site while surfing the Web. You
52
52
CHAPTER
✦ ✦ ✦ ✦
In This Chapter
Temporary and
persistent cookies
World time
calculations
CGI-like intelligence
✦ ✦ ✦ ✦
64
JavaScript Applications
cannot use ... works
inside.
66
JavaScript Applications
The sample page described in this chapter and in whatsnew.htm is pretty boring
to look at, because the power all lies in the scripting that user...
Tài liệu Javascript bible_ Chapter 17 pptx
... scripts, the JavaScript object world
begins to wrap around itself in a way. Despite all the attributes that define a link,
JavaScript regards a link as the same as a location object (Chapter 15). ... direct the URL to a JavaScript function. The
URL
javascript: functionName()
is a valid location parameter for the
HREF
attribute (and not just in the link object). Using the
javascript:...
Tài liệu Javascript bible_ Chapter 31 pptx
... possible in JavaScript.
JavaScript control structures follow along the same lines of
many programming languages, particularly with additions
made in Navigator 4 and Internet Explorer 4 (for JavaScript
1.2). ...
if
constructions earlier in this chapter. When a loop-counting variable
is established in the initial expression, the condition statement usually defines how
652
Part III ✦ Ja...
Tài liệu Javascript bible_ Chapter 32 pptx
... representations of two operands
32
32
CHAPTER
✦ ✦ ✦ ✦
In This Chapter
Understanding
operator categories
Role of operators in
script statements
✦ ✦ ✦ ✦
674
Part III ✦ JavaScript Object and Language Reference
Boolean ... the user’s data entry has been validated
enough for JavaScript to know that the entry is a number. Now the function must
677
Chapter 32 ✦ JavaScript Operators
check...
Tài liệu Javascript bible_ Chapter 34 pptx
... Netscape’s JavaScript
Debugger, described in Chapter 46). The methods are
watch() and unwatch().
The
watch() method instructs JavaScript to keep an eye on a particular property
in an object (any JavaScript- accessible ... See Chapter 13 for details on this
convenient way to share utility functions among many documents.
714
Part III ✦ JavaScript Object and Language Reference
Custo...
Tài liệu Javascript bible_ Chapter 35 pptx
... another type.
35
35
CHAPTER
✦ ✦ ✦ ✦
In This Chapter
Converting strings
into object references
Converting strings to
numbers for math
Adding comments
to scripts
✦ ✦ ✦ ✦
728
Part III ✦ JavaScript Object ... can be used anywhere in a script. If you’ve
read earlier chapters, you have been introduced to many of
these functions and statements. This chapter is presented as
a convenient plac...
Tài liệu Javascript bible_ Chapter 38 pptx
... or the JavaScript code (JavaScript s
string.split() and
array.join() methods help a great deal here).
786
Part IV ✦ Putting JavaScript to Work
Data type conversions
The example in this chapter ... back to JavaScript, that passed object is converted to its original
JavaScript object type. But objects of other classes are passed as their native
objects wrapped in JavaScript “clothin...
Tài liệu Javascript bible_ Chapter 8 pptx
... script function. The technique involves a pseudo-URL
called the
javascript: URL. If you place the name of a function after the
javascript: URL, a scriptable browser runs that function. So as ... from the function. Remember this
javascript: URL technique for all
tags that include
HREF and SRC attributes: If an attribute accepts a URL, it can
accept this
javascript: URL as well. This can ....
Tài liệu Javascript bible_ Chapter 16 pdf
... take
JavaScript.
Review the document object’s place within the JavaScript
object hierarchy. Figure 16-1 clearly shows that the document
object is a pivotal point for a large percentage of JavaScript
objects.
In ... divided its discussion into many chapters,
each focusing on related object groups. This chapter looks
only at the document object, while each of the eight
succeeding chapte...
Tài liệu Javascript bible_ Chapter 18 doc
... onLoad=
hspace
lowsrc
name
src
vspace
width
x
y
18
18
CHAPTER
✦ ✦ ✦ ✦
In This Chapter
How to precache
images
Swapping images
after a document
has loaded
Creating interactive
client-side image
maps
✦ ✦ ✦ ✦
362
Part III ✦ JavaScript Object ... document.links[
index
].
property
About this object
JavaScript treats a map area object as one of the link objects in a document (see
the link o...