Học JavaScript qua ví dụ part 17 docx
Học JavaScript qua ví dụ part 17 docx
... will see in future chapters that JavaScript also uses closures with event handling and information hiding. Douglas Crawford writes (http://www.crockford.com /JavaScript/ private.html), “The pattern ... recursion: recursion: See recursion. This definition says it all! JavaScript sup- ports recursion. So what is it? Have you ever taken apart a Russian doll? Open up the outside doll and...
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Học JavaScript qua ví dụ part 22 docx
... <body bgcolor="lightblue"> <script type="text /javascript& quot;> 8 myBook = new book(" ;JavaScript by Example", "Ellie", "Prentice Hall"); 9 ... 8.2 explained that unlike Java and C++, JavaScript doesn’t have a class mech- anism per se, but inheritance involves reusing or extending a class. With JavaScript we can simulate a clas...
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Học JavaScript qua ví dụ part 35 docx
... 310.) FORMAT JavaScript: window.location.href = "URL"; JavaScript: window.location.replace("URL"); EXAMPLE JavaScript: window.location.href = "http://www.legos.com/"; JavaScript: ... of WoweBook.Com ptg 10.1 JavaScript and the Browser Object Model 317 <html> <head> <title>The History Object</title> <script type="text /java...
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Học JavaScript qua ví dụ part 50 docx
... Introduction to Event Handlers JavaScript reacts to events. We have been talking about events since Chapter 1, “Intro- duction to JavaScript, ” because events are inherently part of almost all Web pages ... Expressions” on page 765 in Chapter 17. ) 7 A deactivated link is assigned an onClick event handler. When the user clicks the link, the JavaScript code is executed. The pseudo Ja...
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Học JavaScript qua ví dụ part 68 docx
... ptg 602 Chapter 14 • Introduction to CSS (Cascading Style Sheets) with JavaScript The visibility Property. The visibility property lets you hide an object and then bring ... font-size: 12pt; visibility:hidden; } From the Library of WoweBook.Com ptg 14.11 Where Does JavaScript Fit In? 605 9 The getElementById() method returns a reference to the div object that ... <div> container...
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Học JavaScript qua ví dụ part 86 docx
... names have been reversed. 3 The new string is displayed. See Figure 17. 36. Figure 17. 36 Output from Example 17. 34. EXAMPLE 17. 35 <html> <head><title>Capture and Replace</title></head> ... character, and then replaces that char- acter with XXX. See Figure 17. 27. Figure 17. 27 This is not greedy: Output from Example 17. 25. Table 17. 10 Anchors (Asser...
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Học JavaScript qua ví dụ part 94 docx
... "enlisted": true } EXAMPLE (SAMPLE CODE) Example: (JavaScript array) var friends = [ “John”, “Jane”, “Niveeta”, “Su” ]; Example: (JavaScript object literal) var soldier = { name: undefined, ... Ajax request object. Next Ajax must convert the JSON text into a JavaScript object (or array). To accomplish this, we can use the JavaScript built-in eval() function, as long as secu...
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Học JavaScript qua ví dụ part 96 docx
... a new window will pop up. Click Open Firebug. Step 2. The Firebug screen will be split in two parts: the upper half will be the web page you are displaying and the lower half will be Firebug ... page you are watching. By selecting the feature of the program you want to check (i.e., HTML, JavaScript, the DOM, and the NET) you can scroll through the program code looking for that. Step ......
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Học JavaScript qua ví dụ part 1 potx
... interpreted by a JavaScript engine that lives in the browser. JavaScript is not HTML, but JavaScript code can be embedded in an HTML docu- ment and is contained within HTML tags. JavaScript has ... until a JavaScript opening tag is read, at which time the JavaScript interpreter takes over. When the closing JavaScript tag is reached, the HTML processing continues. 1. But the cr...
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Học JavaScript qua ví dụ part 2 ppt
... ptg 8 Chapter 1 • Introduction to JavaScript 1.7 JavaScript and Its Role in Web Development When you start learning JavaScript, JavaScript code will be embedded directly in the ... 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, which is more commonly known by the name JavaScr...
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