Tài liệu Javascript bible Chapter 8 pptx

... loaded in the window — the window object is defined in the current model in memory. 8 8 CHAPTER ✦ ✦ ✦ ✦ In This Chapter What the window object does How to access key window object properties and methods How ... a parameter (see Figure 8- 2). A single OK button (which cannot be changed) lets the user dismiss the alert. Figure 8- 2: A JavaScript alert dialog box The appearance of this...

Ngày tải lên: 24/01/2014, 09:20

... 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:...

Ngày tải lên: 10/12/2013, 15:15

... 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). ... in object) { statements } 6 58 Part III ✦ JavaScript Object and Language Reference The object parameter is not the string name of an object, but the object itself. JavaScript...

Ngày tải lên: 21/12/2013, 05:17

... parentheses according to the way I want the internal expressions to evaluate. 683 Chapter 32 ✦ JavaScript Operators Table 32-10 JavaScript Operator Precedence Precedence Level Operator Notes 1 () From ... additional debugging tips in Chapter 45. ✦ ✦ ✦ Note 667 Chapter 32 ✦ JavaScript Operators 10 == 10 // true 10 == 10.0 // true 9 != 10 // true 9 > 10 // false 9.99 <= 9. 98...

Ngày tải lên: 21/12/2013, 05:17

... "141 million miles", " 687 days", "24 hours, 24 minutes") Jupiter = new planet("Jupiter"," ;88 ,640 miles"," 483 million miles", "11.9 ... miles"," ;88 6 million miles", "29.5 years", "10 hours, 39 minutes") Uranus = new planet("Uranus", "32,000 miles","1. 782 billion mi...

Ngày tải lên: 17/01/2014, 08:20

... another type. 35 35 CHAPTER ✦ ✦ ✦ ✦ In This Chapter Converting strings into object references Converting strings to numbers for math Adding comments to scripts ✦ ✦ ✦ ✦ 7 28 Part III ✦ JavaScript Object ... or database field might do. In JavaScript, numbers starting with zero are treated as octal (base 8) numbers. Therefore, parseInt(“010”) yields the decimal value 8. When you apply...

Ngày tải lên: 17/01/2014, 08:20

... the netscape .javascript. JSObject class. This object’s methods let the applet contact 788 Part IV ✦ Putting JavaScript to Work document objects and invoke JavaScript statements. Table 38- 1 shows ... Navigator 3 for Macintosh, especially on 68K Macs (such as those with 680 30 and 680 40 microprocessors). Notice that the first function in Listing 38- 8 is a property browser for the plug-...

Ngày tải lên: 17/01/2014, 08:20

... 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 ... increments other than whole hours. In the case of working with time in JavaScript, you’re at the mercy of how the browser and JavaScript interpreter deal with times as reflected by often im...

Ngày tải lên: 24/01/2014, 10:20

... contents 16 16 CHAPTER ✦ ✦ ✦ ✦ In This Chapter Accessing arrays of objects contained by the document object Changing content colors Writing new document content to a window or frame ✦ ✦ ✦ ✦ 3 18 Part III ✦ JavaScript ... 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 f...

Ngày tải lên: 10/12/2013, 15:15

... HREF=" ;javascript: go('the Nile River')" COORDS="1,155,6,162,0,175,3,201,61,232,109,227,167,2 38, 274,239,292,220, 307,220,319,230,319,217,2 98, 213, 282 ,217,267,233,1 98, 2 28, 154,227,107,221 ,71,225,21,199,19,165,0,149" ... onLoad= hspace lowsrc name src vspace width x y 18 18 CHAPTER ✦ ✦ ✦ ✦ In This Chapter How to precache images Swapping images after...

Ngày tải lên: 10/12/2013, 15:15