Practical prototype and scipt aculo us part 55 pps
Practical prototype and scipt.aculo.us part 55 pps
... script .aculo. us, 208–209 testing, 14–16 web site, 11 Prototype object, 15 prototype property, 5, 20, 142 Prototype. emptyFunction function, 313 prototype. js file, 13–14, 51, 87, 210–212, 244 prototype. js ... call, 226 mousedown event, 257 mousemove event, 257 mouseover events, 264 mouseup event, 257 ■N namespacing, 141–142 native drop-down menu, 281 navigating nodes, 128–129 navig...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 5 pps
... 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
Practical prototype and scipt.aculo.us part 9 ppsx
... map, inject, invoke, and pluck The next four Enumerable methods carry more cryptic names, but are every bit as useful as the methods described previously. Using Enumerable#map and Enumerable#inject The ... AGAIN)36 Other Collections That Use Enumerable Two other Prototype classes that make use of Enumerable are Hash and ObjectRange. Together they serve as great examples of how to use...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 10 pps
... Hash or the shorthand $H: var airportCodes = new Hash(); To set and retrieve keys from the hash, use Hash#set and Hash#get, respectively: airportCodes.set('AUS', 'Austin-Bergstrom ... shortcut, and we’ve got a syntax that’s almost as terse as the one we started with: var airportCodes = $H({ AUS: "Austin-Bergstrom Int'l", HOU: "Houston/Hobby", IAH:...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 17 pps
... code into Firebug because you’re just starting out—as you learn about other aspects of Prototype, we’ll mix them in with what you already know, thus pushing the examples closer and closer to real-world ... output. Save your changes, and then go to the Firebug console. Press the up arrow key to recall the last statement you typed, and then press Enter. Inspect the details of this reques...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 20 ppsx
... because the user hasn’t had a chance to enter text. But we know it’s definitely invalid if the text box receives focus, then loses focus, and is still empty. That’s when we should alert the user. There’s ... run. Custom Events I’ve saved the best part for last. Native browser events are purely reactive; they’re trig- gered by user action. Wouldn’t it be great if we could harness the event...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 14 pps
... class="number"> td.previous(); //-> null td.down(); //-> null Calls to up and next return the parent node and the next sibling, respectively. Calls to down and previous return null because no element ... 133 This time, we get results in all four directions: next and previous point to table rows 1 and 3, while up and down point to the parent node and the first...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 34 ppsx
... markup and CSS CHAPTER 9 ■ WHAT YOU SHOULD KNOW ABOUT DHTML AND SCRIPT .ACULO. US 197 script .aculo. us PART 2 Inline elements don’t have implicit line breaks. If you wish to start a new line, you must ... (drag- and- drop), and new controls (sliders, combo boxes, and in-place editors). DHTML isn’t a special language; it’s just a term for what becomes possible when the DOM APIs...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 42 ppsx
... a new file called game.html with script tags pointing to prototype. js and scriptaculous.js: CHAPTER 10 ■ INTRODUCTION TO SCRIPT .ACULO. US EFFECTS244 Queues Effect queues address a subset of the ... visible—it’s only just begun animating. That’s because the interpreter doesn’t wait around; it schedules the frames of the animation, and then moves on to the next line. script .aculo. u...
Ngày tải lên: 03/07/2014, 01:20
Practical prototype and scipt.aculo.us part 48 ppsx
... IN-PLACE EDITORS, AND SLIDERS280 • Click a suggestion. • Use the up/down arrow keys to highlight a suggestion, and then press Enter. • Use the up/down arrow keys to highlight a suggestion, and then press ... done. When a user recognizes our list as a drop-down menu, he’ll expect it to act like one. For the user’s sake, Autocompleter tries very hard to ape the behavior of a drop-down....
Ngày tải lên: 03/07/2014, 01:20