Học JavaScript qua ví dụ part 42 pot
... select box. handleEvent() Invokes the handler for a specified event (JavaScript 1.2). unwatch() Turns off the watch for a particular property. watch() Watches, and when a property is changed, ... select box. handleEvent() Invokes the handler for a specified event (JavaScript 1.2). unwatch() Turns off the watch for a particular property. watch() Watches, and when a property is changed, .....
Ngày tải lên: 04/07/2014, 02:20
... 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...
Ngày tải lên: 04/07/2014, 02:20
... <head> <title>Nested loops</title> </head> <body> <script type="text /javascript& quot;> <! Hiding JavaScript from old browsers 1 var str = "@"; 2 for ( var row = 0; ... switch statement to rewrite the following JavaScript code. Prompt the user for the number of a month rather than setting it to 8. <script type=text /javascrip...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 23 potx
... to all Book objects. 5 When JavaScript tries to retrieve the value of the category property, the property was not directly assigned in the constructor function. JavaScript checks to see if a ... 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 class wit...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 24 pot
... 8.15 <html> <head><title>Object object</title> <script type="text /javascript& quot;> 1 function Book(title, author){ this.title =title; this.author=author; } ... print the employees’ names. Add a phone property to this function. <script type="text /javascript& quot;> function Employee(){ var = name; this.getName = function(){ return this.na...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 27 potx
... Date</title></head> <body bgcolor="aqua"><h2>Date and Time</h2> <big> <script type="text /javascript& quot;> 1 var now = new Date(); // Now ... What It Does From the Library of WoweBook.Com ptg 238 Chapter 9 • JavaScript Core Objects 9.4.2 Manipulating the Date and Time JavaScript stores dates in milliseconds, so if you have more...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 33 potx
... happen in the future For a detailed explanation of how JavaScript internally handles the timers, see http://www.howtocreate.co.uk/tutorials /JavaScript/ timers. Table 10.8 Timers Timing Methods ... Library of WoweBook.Com ptg 10.1 JavaScript and the Browser Object Model 297 EXAMPLE 10.11 <html> <! This script is a modification of a free script found at the JavaScript source...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 36 potx
... WoweBook.Com ptg 11.2 The JavaScript Hierarchy 331 Using the document Object Properties in JavaScript. Example 11.2 demon- strates how the properties that describe the document are used in a JavaScript program. ... ptg 11.2 The JavaScript Hierarchy 329 the window, because JavaScript knows that the window is at the top of the tree. Instead of saying ... by numeric index value (numeri...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 37 pot
... Library of WoweBook.Com ptg 11.4 JavaScript and the form Object 341 11.4 JavaScript and the form Object In the previous example, the HTML form had nothing to do with JavaScript. After a form has ... the form information to the server, JavaScript can check to see if the form was filled out properly; for example, every input field can be validated by JavaScript. It can check for empty...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 44 pot
... W3C DOM and JavaScript, ” you utilize what you learn here to see the full potential of image manipulation with JavaScript. From the Library of WoweBook.Com ptg 12.2 Reviewing Links 421 EXPLANATION 1 ... Properties of the JavaScript links Object Property What It Describes hash The anchor part of the URL (if any). host The hostname port part of the URL. hostname The hostname part...
Ngày tải lên: 04/07/2014, 02:20