By Scott Raymond

Learn how to construct dynamic, interactive net functions utilizing the 2 most vital ways to internet improvement at the present time: Ajax and the phenomenally effective Ruby on Rails platform. This publication teaches intermediate to complex internet builders tips on how to use either Ajax and Rails to speedy construct high-performance, scalable functions with out being beaten with millions of strains of JavaScript code. greater than simply recipes, you furthermore may get a radical, low-level figuring out of what's taking place less than the hood. * Ajax on Rails comprises 3 totally labored out Rails/Ajax purposes, and quickly reference sections for Prototype and
* checking out classes assist you get rid of cross-browser JavaScript blunders and DOM debugging nightmares utilizing a mix of Firebug, and Venkman.
* complicated fabric explains the most up-tp-date layout practices for Ajax usability. You'll learn how to keep away from person event blunders with confirmed layout patterns.
past the how-to, Ajax on Rails is helping you think about while Ajax is (and isn't) applicable, and the trade-offs linked to it. For these new to Rails, this e-book offers a short advent, the massive photo, a stroll during the set up procedure, and a few tips about getting began. If you've already got to work with Rails and search to deepen your ability set, you'll locate dozens of examples drawn from real-world tasks, exhaustive reference for each proper function, and specialist suggestion on how you can "Ajaxify" your purposes.

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Additional info for Ajax on Rails

Example text

At the time of writing, the only browser that supports this is Chrome Canary with experimental WebKit features turned on8. If you have a copy you should be able to play with the example code. Here is the HTML. I have an article element that contains the entire content of my article. I have then added a number of empty elements at the bottom of the document.

Usefulness of cats


The article contains the content that I want to lay out, and the empty elements will become containers for that content.

I now choose which row I want to put my items into – remember that the 20-pixel gaps are rows, so we should place items into the odd-numbered rows. I then set the starting column for each area and set how many columns it should span. Most of my boxes are full-width, but I have split content2 and content3 into two columns. This now displays in the browser as a simple layout. 49 The layout on narrower screens. I am now going to add my first media query, and make some changes to the layout once the browser window reaches 700 pixels wide.

44 Our starting point. wrapper. 25fr 1fr)[6]; -ms-grid-rows: (auto 20px)[4]; 45 } I have set display to -ms-grid, declaring this element contains a grid layout. I have set up my columns using a shorthand syntax for multiple columns. By putting a set of columns in round brackets followed by a number in square brackets, we say that we want to repeat this column pattern n times; in this case, I want these two columns to be repeated six times. I use the concept of fractions to create a flexible grid.

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Ajax on Rails by Scott Raymond
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