... in
the GDP urban areas. The rate of decline ofthe share of agricultural GDP to the total economy is
much faster than the rate of decline ofthe declining share ofthe labour force in the agricultural ...
Province in the Northwest of Sumatra to the Western part of Papua, it was decided to focus on the
Island of Java. Java represents 60% ofthe human and 70% of poultry population of Indonesia ... Agency of Statistics). The rate of growth ofthe livestock
sector was 4.47% per year in the period of 2001-2006, which was high compared to the negative
growth of 1.92% during the peak of economic...
... recognize the
<script> tag see the comment markers
and therefore don’t try to display any ofthe JavaScript code between them.
In JavaScript, on the other hand,
<! is the beginning of a ... use of JavaScript
that calculates the weight of a fish based on its length. Enter the length and
type of fish, and the JavaScript calculates the fish’s weight. This fishy code
demonstrates JavaScript’s ... 2-1: Using JavaScript to display the current date
An even more frequently updated page is the home page ofthe Book of
JavaScript website (http://www.bookofjavascript.com), which updates the
time...
... Some ofthe applications demonstrate the power of
the language, independent of its networking attributes. We call these “pure code” examples
because they show the expressiveness oftheJava syntax ... example,
the invention of FORTRAN changed forever the way that computers would be programmed.
Another such pivotal event was the creation of Java.
Java is the milestone that marks the beginning of ... mysterious programming tasks. In the process, it displays the power,
versatility, and elegance oftheJava language. Thus, it is through the art ofJava that the artistry
of Java s design is displayed.
As...
... represent the other major arithmetic functions.
When the browser finishes its calculations in our example, it reaches the
end ofthe JavaScript in the head (Z) and goes down to the body ofthe
HTML. ... JavaScript, on the other hand,
<! is the beginning of a comment that
reaches only to the end of that one line, so browsers that understand JavaScript
don’t ignore the rest ofthe JavaScript ... do the technical review ofthe second edition
of The Book of JavaScript, I couldn’t have been more pleased or honored. The
deep satisfaction I felt when I wrote those first JavaScripts and they...
... precedes the JavaScript that
actually writes the date, since the browser first writes that text and then executes the
JavaScript. With JavaScript, as with HTML, browsers read from the top ofthe ... document.write() in the body so that the actual date information will
come after the Today's date is: text. I’ve put the rest ofthe JavaScript at the head
of the page to keep the body HTML ... knowledge of HTML,
however.
The Goals of This Book
The main goal of this book is to get you to the point of writing your own JavaScripts.
Equally important, however, is the ability to read other...
... JavaScript file is the equivalent of using the
onclick
attribute in Listing 1.1.5 . They accomplish the same outcome of waiting (listening) for the user
to click the link before executing the function ... rendering the document, parsing
through the HTML code and hitting requests for other resources. As it hits these other requests,
it will fetch them from the server the same way it fetched the original ... in the oven before cracking the eggs and mixing the ingredients). This
can be tricky at times, so be careful when thinking about whether mixing up the order ofthe list
items truly breaks the...
... to get the object to do what you need,
and what the lights mean about the status ofthe object. The details of
how the box is put together inside are irrelevant while you are using
the box. ... current values of all the attributes of a
given object, and is the result ofthe behavior of an object over
time.
Java programs are defined as collections of classes. Normally each
Java class ... file. The attributes of a class are
defined by the declaration of variables of various types such as int or
boolean. A Java class includes the definitions ofthe methods used to
implement the...
... headings[i].appendChild(a);
}
}
The Art & Science Of JavaScript (www.sitepoint.com)
The Art & Science of JavaScript
The Art & Science of JavaScript
The Art & Science of JavaScript (Sample ... in the park. The birds were
singing and the kids were all back at school.</p>
If the code may be found in the book’s code archive, the name ofthe file will appear at the top of
the ... (alphabetical). Store both the
The Art & Science Of JavaScript (www.sitepoint.com)
The Art & Science Of JavaScript18
of one on each iteration, and the loop continues until the counter’ s value...
... to read the
word function in the context of a method definition. The problem with the latter is
that you want to access the this ofthe surrounding context (“lexical this“), instead of
shadowing ... With the introduction ofthe iPhone in 2007, it became the
foundation ofthe mobile web. WebKit is now the main engine for Android and the
only engine for iOS, and dominates the mobile market. That ... true
20 | The Past, Present, and Future of JavaScript
Arrow functions
JavaScript uses the same construct, the function, for both methods and non-method
functions. The problem with the former...
... in the park. The birds were
singing and the kids were all back at school.</p>
If the code may be found in the book’s code archive, the name ofthe file will appear at the top of
the ... column of data within a pass rep-
resents one step forward in the inner loop. The black arrow next to the numbers shows the progress
of the inner loop (as does the “i=0” on top of each column). The ... Store both the
The Art & Science Of JavaScript22
The Art & Science Of JavaScript2
that represents a column of cells the only elements that come close are colgroup and col, but
they serve...