Học JavaScript qua ví dụ part 2 ppt
Học JavaScript qua ví dụ part 2 ppt
... recommended in late 1998. DOM Level 2 was published in late 20 00. The cur- rent release of the DOM specification was published in April 20 04. By 20 05, large parts of W3C DOM were well supported ... ECMA -25 2 edition 5, see http://www.ecmas- cript.org/. 1.9.1 JavaScript Objects Everything you do in JavaScript involves objects, just as everything you do in real life involves obje...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 6 pptx
... shown in Example 2. 4 and Figures 2. 9, 2. 10, and 2. 11. FORMAT JavaScript: expression EXAMPLE 2. 4 JavaScript: 5 + 4 Figure 2. 9 Internet Explorer and the JavaScript: protocol. Figure 2. 10 Mozilla Firefox ... <script type="text /javascript& quot;> 2 <! Hiding JavaScript from Older Browsers 3 document.write("<h2>Welcome to Maine!</h2>"); 4...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 7 ppt
... sequences are a mechanism for quoting a single character. EXAMPLE 3.1 123 45 integer 23 .45 float .23 4E -2 scientific notation .23 4e+3 scientific notation 0x456fff hexadecimal 0x456FFF hexadecimal 0777 ... numbers such as 123 .56 or 2. 5. They must contain a decimal point or an exponent specifier, such as 1.3e 2. The letter “e” for expo- nent notation can be either uppercase or lo...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 9 pptx
... a variable. JavaScript declares constants with the const type (which replaces var) and the name of the constant is in </body> </html> Output: 3 25 cats 4 almost 25 5 29 6 510 years 7 ... <head><title>Using the const Keyword</title> <script type="text /javascript& quot;> 1 const NOON = 12; 2 const FREEZING = 32; // Can't change </sc...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 16 pptx
... argument2, ); // function call (caller) function_name(parameter1, parameter2 ){ // function definition (receiver) var result= parameter1 + parameter2; } // curly braces required Figure 7 .2 After ... anywhere. Function definitions are often stored in external JavaScript files or libraries (see JavaScript from External Files” on page 22 of Chapter 1). To define a function, the functi...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 18 pptx
... previous numbers together; so 0 + 1 is 1, 1 + 1 is 2, 1 + 2 is 3, 2 + 3 is 5, and so on. In Example 7.10, the Fibonacci sequence recurses 20 times and as you can see, if these numbers represent ... type="text /javascript& quot;> 1 var count = 0; 2 function fib(num){ 3 count++; switch(num){ case 0 : 4 return(0); break; case 1: 5 return(1); break; default: 6 return(fib(nu...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 29 ppt
... ptg 25 6 Chapter 9 • JavaScript Core Objects EXAMPLE 9 .28 <html> <head><title>String Manipulation</title></head> <body> <h2>Working with ... Substr method returns 5 characters. Figure 9.33 Output from Example 9 .28 . From the Library of WoweBook.Com ptg 25 2 Chapter 9 • JavaScript Core Objects String.bold() <b>String</b> String...
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Học JavaScript qua ví dụ part 31 ppt
... Internet Explorer and Firefox > <h2>Flash swf file As Object</h2> 1 <object width=" ;25 0" height="100" 2 classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ... .wav, .pdf, and so on. Partial output is shown in Figure 10.15. Figure 10.15 MIME types: Output from Example 10.6 (partial list). From the Library of WoweBook.Com ptg 28 2 Chapter...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 34 ppt
... 310.) FORMAT JavaScript: window.location.href = "URL"; JavaScript: window.location.replace("URL"); EXAMPLE JavaScript: window.location.href = "http://www.legos.com/"; JavaScript: ... display is shown in Figure 10 .28 on page 311. EXAMPLE 10.17 (CONTINUED) From the Library of WoweBook.Com ptg 10.1 JavaScript and the Browser Object Model 311 JavaScript co...
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Học JavaScript qua ví dụ part 43 ppt
... text in a textbox with JavaScript. 19. What the blur() and focus() methods do. 20 . How to use multiple selects. 21 . How the selectedIndex property works with drop-down menus. 22 . How to test for ... Input Devices EXAMPLE 11 .29 <html> <head><title>Verifying a Password</title> <script type="text /javascript& quot;> 1 function valid(form){ 2 if( f...
Ngày tải lên: 04/07/2014, 02:20