The javascript anthology 101 essential tips tricks hacks - phần 7 pdf

... different way. In the capture phase, events work from the outside in, so the paragraph would receive the click first, then the hyperlink. In the bubble phase, events work from the inside out, so the anchor ... browsers; the while loop then finds the first non-text-node parent if the target reported by the browser happens to be a text node. If we want to retrieve the...

Ngày tải lên: 13/08/2014, 09:20

... Explorer, though they measure the distance from the mouse cursor to the edges of the browser window. In order to find the position of the cursor relative to the entire page, we need to add the current ... and subtract the scrolling position (which is the equivalent of clientX/clientY). The size of the viewport is obtained using the getViewportSize function we created...

Ngày tải lên: 13/08/2014, 09:20

... 75 Sorting a Multi-dimensional Array 76 Sorting an Array Randomly 77 Summary 78 5. Navigating the Document Object Model 79 Accessing Elements 82 Creating Elements and Text Nodes 87 Changing the ... Writing the Data in a Text Field 103 Reading and Setting the State of a Checkbox 106 Order the print version of this book to get all 588 pages!iv The JavaScript Anthology...

Ngày tải lên: 13/08/2014, 08:21

... to another file: and the Sony PSP, as well as legacy JavaScript browsers such as Opera 5 and Netscape 4. The last point in the list above is arguably the least likely (apart from other de- velopers ... was once the domain of specialists. Browser vendors and other technology companies are taking another look at the potential of this powerful language, as the line between the...

Ngày tải lên: 13/08/2014, 08:21

... external JavaScript file named what-is -javascript. js. The file should contain the code that you would otherwise put inside the script element, like this: File: what-is -javascript. js function saySomething(message) { ... kind of event-driven script. 5 This technique was pioneered by Simon Willison [http://www.sitepoint.com/blogs/2004/05/26/closures-and-executing -javascript- on-pag...

Ngày tải lên: 13/08/2014, 08:21

... for de- velopers to learn how to use them properly. They can be very useful for highlight- ing logical errors, and valuable as learning tools in their own right, but they’re limited in their ... with browser incompatibilities: they’re only useful there if the bug you’re looking for is in the browser that the debugger supports! Strict Warnings If you open the JavaScript console in Fi...

Ngày tải lên: 13/08/2014, 08:21

... pixels, then across by 200 pixels, then to a point that’s 300 pixels from the left and 100 pixels from the top, then back to the top corner. Getting the Viewport Size (the Available Space inside the ... available, the script can trigger a click event handler that passes its href to the makePopup function, along with the other settings. The return value of the handler depe...

Ngày tải lên: 13/08/2014, 09:20

... you’ve enjoyed these chapters from The JavaScript Anthology: 101 Tips, Tricks & Hacks, why not order yourself a copy? The JavaScript Anthology: 101 Tips, Tricks & Hacks is the ultimate ... desk." The JavaScript Anthology: 101 Essential Tips, Tricks & Hacks also includes download access to all of the best practice code samples used th...

Ngày tải lên: 13/08/2014, 09:20

... 428–436 slideshows, 173 soccer ball animation, 272 – 278 sort method, 75 77 sorting drag-and-drop reordering, 291 list items, real-time effect, 2 97 random sorting, 77 stable sorts, 77 table sorting , 2 57 265 source ... drag-and-drop functional- ity, 401 caching, 376 folder tree menus, 362, 371 , 373 identifyBrowser function, 1 97, 222, 226, 510 identity operator, 50 If-Modified-...

Ngày tải lên: 13/08/2014, 09:20

... loads an external JavaScript file named what-is -javascript. js. The file should contain the code that you would otherwise put inside the script element, like this: File: what-is -javascript. js function ... Less Jerky 278 Animation Frame Times 279 Changing Between Frames 279 Complexity of the Animation 280 The Speed of the Computer 280 The Speed of the Browser 281 Implem...

Ngày tải lên: 08/03/2014, 20:20