Học JavaScript qua ví dụ part 1 potx
Học JavaScript qua ví dụ part 1 potx
... so on. In Chapter 18 we discuss how
this technique works, but for now think of it as JavaScript on steroids.
1. 6 What JavaScript Looks Like
Example 1. 1 demonstrates a small JavaScript program. ... Microsoft
Internet Explorer.
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1
chapter
1
Introduction to
JavaScript
1. 1 What JavaScript Is
JavaScript is a popular general-purpose scri...
Học JavaScript qua ví dụ part 23 potx
...
http://mckoss.com/jscript/object.htm.)
Figure 8 .15 JavaScript looks for the property with Example 8 .13 .
Object
function
Book()
Object.prototype.category
Book.prototype.publisher
Constructors Prototype Chain
book1 book2
book1.author ... without using the prototype property
EXAMPLE 8 .11
</html>
<head><title>Object Properties</title>
1 <script type="tex...
Học JavaScript qua ví dụ part 27 potx
... Date()
mydate = new Date("March 15 , 2 010 09:25:00")
mydate = new Date(“March 15 , 2 010 ”)
mydate = new Date (10 ,2 ,15 )
mydate = new Date (10 ,2 ,15 ,9,25,0)
mydate = new Date(500);
From ... Description
Math.E 2. 718 2 818 284590450 91 Euler’s constant, the base of
natural logarithms
Math.LN2 0.69 314 718 05599452862 Natural log of 2
Math.LN10 2.3025850929940459 01 N...
Học JavaScript qua ví dụ part 33 potx
... Figure 10 .19 .
Figure 10 .19 Click the button and watch the status bar.
EXAMPLE 10 .10 (CONTINUED)
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10 .1 JavaScript and the Browser Object Model 303
10 .1. 4 Working ... milliseconds.
Table 10 .9 Basic Units of Time
Unit of Time Milliseconds
1 second 1, 000
1 minute second * 60 (1, 000 * 60)
1 hour minute * 60 (1, 000 * 60 * 60)
1 day...
Học JavaScript qua ví dụ part 36 potx
... <body> tag attributes, as shown in Tables 11 .1 and
11 .2. The properties of the document object are shown in the output of Example 11 .2. (See
Chapter 13 , “Handling Events,” for events that are ... WoweBook.Com
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11 .2 The JavaScript Hierarchy 3 31
Using the document Object Properties in JavaScript. Example 11 .2 demon-
strates how the properties that describe the docume...
Học JavaScript qua ví dụ part 52 potx
... touched. See Figure 13 .11 .
Figure 13 .11 Original display (left), as the mouse moves over the link (middle), and
as the mouse moves away from the link (right).
EXAMPLE 13 .11
<html>
<head><title>The ... protocol as JavaScript: . The display
is shown in Figures 13 .12 and 13 .13 .
Figure 13 .12 Watch the seasons change every 2 seconds.
EXPLANATION
From the Librar...
Học JavaScript qua ví dụ part 53 potx
... shown in Figure 13 .15 .
Figure 13 .15 The user clicked the Print Form Stuff button.
EXAMPLE 13 .13 (CONTINUED)
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13 .6 Handling a Form Event 487
13 .6.4 Forms and ... link href attribute:
Figure 13 .13 Spring image (top), summer image (middle), and fall image (bottom)
are all part of the slideshow created in Example 13 .11 .
Table 13 .5 Link Eve...
Học JavaScript qua ví dụ part 60 potx
... in Table 14 .8 could
be your answer.
Table 14 .8 Text Alignment Properties
Property Value/Example Elements Affected
letter-spacing normal, 0.1em All
line-height normal, 1. 2, 1. 2em, 12 0% All
text-align ...
font-family:fantasy;}
</style>
</head>
5 <body>
6 <h1>Happy Birthday!!</h1>
<h1>Happy Birthday!!</h1>
</body>
</html>
EXPLA...
Học JavaScript qua ví dụ part 2 ppt
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12 Chapter 1 • Introduction to JavaScript
Some of the events that JavaScript can handle are listed in Table 1. 1.
1. 9 Standardizing JavaScript and the W3C
ECMAScript, ... so on. In Chapter 18 we discuss how
this technique works, but for now think of it as JavaScript on steroids.
1. 6 What JavaScript Looks Like
Example 1. 1 demonstrates a sma...
Học JavaScript qua ví dụ part 3 pps
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1. 10 What Browser? 19
Figure 1. 12 Enabling JavaScript on Microsoft Internet Explorer.
Figure 1. 13 Is your browser JavaScript enabled?
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1. 10 What Browser? ...
}
</script>
Figure 1. 11 Internet Explorer supports the standard.
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20 Chapter 1 • Introduction to JavaScript
1. 11 Wh...