Học JavaScript qua ví dụ part 3 pps
Học JavaScript qua ví dụ part 3 pps
... the getElementById and createTextNode are part of the W3C standard, which sup- ports the DOM. 1.10 .3 Is JavaScript Enabled on Your Browser? To see if JavaScript is enabled on your browser, you ... of WoweBook.Com ptg 1.10 What Browser? 17 JavaScript 1 .3 1998 ECMA- 232 , Netscape Navigator 4.06–4.7x, Internet Explorer 5.0 JavaScript 1.5 2000 ECMA- 232 , Netscape Navigator 6.0+,...
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Học JavaScript qua ví dụ part 8 ppsx
... here. Continues From the Library of WoweBook.Com ptg 3. 2 Variables 63 Figure 3. 5 Internet Explorer error (Example 3. 5). Table 3. 3 How JavaScript Converts Data Types Variable Assignment Conversion var ... displayed. Figure 3. 6 shows the output in Internet Explorer. Figure 3. 6 Declaring and displaying variables. EXPLANATION From the Library of WoweBook.Com ptg 3. 3 Constant...
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Học JavaScript qua ví dụ part 10 pps
... </body> </html> EXPLANATION 1 The <script> tag starts the JavaScript program. The JavaScript engine starts exe- cuting code from here until the closing </script> tag. JavaScript does not under- stand HTML ... <head> <title>Using JavaScript alert box</title> 1 <script type="text /javascript& quot;> 2 var message1="Match your...
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Học JavaScript qua ví dụ part 19 pps
... testing of the age variable (see Figure 7.22). EXAMPLE 7. 13 (CONTINUED) From the Library of WoweBook.Com ptg 7 .3 What You Should Know 1 73 1. Copy the following file and execute it in your browser. ... you should know: 1. How to declare and define functions. 2. Where to put functions in a JavaScript program. 3. How to call a function with arguments and use parameters. 4. What can be...
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Học JavaScript qua ví dụ part 20 pps
... object. JavaScript can represent data such as a string or a number as an object, and JavaScript lets you create your own objects. When talking about JavaScript data types in Chapter 3, “The ... properties of the toy object are displayed. 8 This is the end of the JavaScript program. The output is shown in Figure 8 .3. Figure 8 .3 The toy object and its properties. EXAMPLE 8.2 (CON...
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Học JavaScript qua ví dụ part 21 pps
... </script> </head> <body> <script type = "text /javascript& quot;> 7 var myBook = new Book(" ;JavaScript by Example", "Ellie Quigley", "Prentice ... <head><title>functions</title> <script type="text /javascript& quot;> 1 function Distance(r, t){//Constructor function 2 this.rate = r; this.time = t; 3 thi...
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Học JavaScript qua ví dụ part 25 ppsx
... Array("Math","English", "PE"); 4 student["Phones"]=new Array("415 -33 3-1 234 "," 530 -34 5-5 432 "); 5 document.write("The student's name is " + student["Name"] ... apple, JavaScript has a core, and at its core are objects. Everything you do in JavaScript will be based on objects; you may create your own...
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Học JavaScript qua ví dụ part 28 pps
... WoweBook.Com ptg 242 Chapter 9 • JavaScript Core Objects Math.LOG2E 1.4426950408889 633 87 Log base-2 of E Math.Log10E 0. 434 2944819 032 518167 Log base-10 of E Math.PI 3. 145926 535 897 931 16 Pi, ratio of the ... methods. Table 9.7 Rounding up and down Number ceil() floor() round() 2.55 3 2 3 2 .30 3 2 2 –2.5 –2 3 –2 –2 .3 –2 3 –2 From the Library of WoweBook.Com ... cir...
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Học JavaScript qua ví dụ part 32 pps
... BOM! Browser Objects <h3>Click here to see through my winter window<br /> 3 <a href=" ;JavaScript: newWindow()">Winter Scene</a></h3> </body> </html> EXPLANATION 1 ... window is often partitioned into independent display areas, called frames, which are windows within windows. (Frames are discussed in the section “Working with Frames” on...
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Học JavaScript qua ví dụ part 39 pps
... the Library of WoweBook.Com ptg 11.4 JavaScript and the form Object 35 3 The elements and properties of the HTML <form> tag are shown in Table 11.8. How JavaScript References the Form Elements ... name. Figure 11. 13 Name those forms! EXPLANATION From the Library of WoweBook.Com ptg 35 0 Chapter 11 • Working with Forms and Input Devices 11.4 .3 Naming Forms and Buttons How Jav...
Ngày tải lên: 04/07/2014, 02:20