Practical prototype and scipt aculo us part 13 potx

... single client using it. Responsiveness is good, and periodic client-server communication is good—but these benefits will eventually clash with the practical constraints of bandwidth and processing ... run automatically, thereby saving the user the tedious task of manually reloading the page every time. Let’s try it. Reload index.html and run this command in the console: new Ajax.Peri...

Ngày tải lên: 03/07/2014, 01:20

... code both smaller and easier to read. Prototype uses Object.extend all over the place internally: extending built-ins, “mixing in” interfaces, and merging default options with user-defined options. CHAPTER ... rel attribute. These are just some of the complex selectors you can use in $$. For more information on what’s possible, consult the Prototype API reference online ( http://pro...

Ngày tải lên: 03/07/2014, 01:20

... we can also use that function as a litmus test to let us know whether an item matches our needle. The next four methods do just this. Using Enumerable#detect Enumerable#detect finds and returns ... NodeLists, and various other groups of items. Nearly all your scripts will do some form of iteration over an array. So why is iteration so bland in JavaScript? Prototype sports a robust lib...

Ngày tải lên: 03/07/2014, 01:20

... of words. Prototype establishes a bridge between the DOM and the commonest use cases of the typical developer. As a result, the code you write will be shorter and far more readable. Prototype s ... DOM 115 custom events from anywhere in your code; you can also listen for custom events with the same API that you’d use to listen for native browser events. The First Custom Event Prototyp...

Ngày tải lên: 03/07/2014, 01:20

... andrew.throwPass(23); >> "Andrew Dupont throws for 23yds." andrew.passingYards; //-> 23 andrew.throwTouchdown(39); >> "Andrew Dupont throws ... "TOUCHDOWN!" andrew.passingYards; //-> 62 andrew.points; //-> 6 Everything works as expected. So let’s try another position. A wide receiver plays on offense and catches passes thrown ... { this.catchPas...

Ngày tải lên: 03/07/2014, 01:20

... In-Place Editors, and Sliders 277 ■CHAPTER 13 Prototype As a Platform 297 ■INDEX 315 iii

Ngày tải lên: 03/07/2014, 01:20

... 296 ■CONTENTSx ■CONTENTSviii Prototype s DOM Extensions 115 Modifying 115 Traversing and Collecting 128 Creating Nodes 132 Putting It Together 135 Summary 137 ■CHAPTER 7 Advanced JavaScript: Functional Programming and ... Programming and Class-Based OOP 139 Object-Oriented JavaScript Programming with Prototype 139 Why OOP? 139 Remedial OOP: Namespacing 141 Advanced OOP:...

Ngày tải lên: 03/07/2014, 01:20

... both for creating Prototype and for inviting me to be a part of Prototype Core. Other team members gave critical moral support: Thomas Fuchs, Tobie Langel, Mislav Marohnic, and Justin Palmer. Objects, ... KNOW ABOUT PROTOTYPE, JAVASCRIPT, AND THE DOM4 About the Technical Reviewer After getting hooked on the Web in 1996 and spending several years pushing pixels and bits for th...

Ngày tải lên: 03/07/2014, 01:20

... between Prototype and script .aculo. us: the former builds a rich set of APIs, while the latter uses those APIs to address specific UI needs. Even so, there are a few meanderings. Each chapter of Part ... the way the user expects it to. Prototype is meant to be intuitive and easy to learn. CHAPTER 1 ■ WHAT YOU SHOULD KNOW ABOUT PROTOTYPE, JAVASCRIPT, AND THE DOM10 The second exa...

Ngày tải lên: 03/07/2014, 01:20

... atop Prototype. Most famously, script .aculo. us (which we’ll cover in Part 2) uses Prototype as a basis for a rich library of effects and UI controls. Many JavaScript toolkits, script .aculo. us included, ... to read and understand. These days, Prototype enjoys exhaustive documentation, both official and unofficial. But readability, intuitive naming schemes, and cleanlines...

Ngày tải lên: 03/07/2014, 01:20