“Create Killer Websites Using the Power of Modern JavaScript” DHTML Utopia is an easy-to-follow, step-by-step tutorial that will show you how to make your. Modern Web Design Using JavaScript & DOM. HTML Source Review. Now that using nice, valid HTML and CSS for layout have been well and truly cracked. DHTML Utopia: Modern Web Design Using JavaScript & DOM by Stuart contributes to Stylish Scripting: SitePoint’s DHTML and CSS Blog. About The.

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The top-left corner of the big image should be in the top-left corner of the viewing area: This comprehensive list of CSS hacks shows you which browsers will be affected by a given hack, if you need to hide certain CSS directives or utopiz certain directives to a particular browser.

This approach is called semantic markup — a fancy way of saying, “uses tags to describe meaning. Actually, you could have as many as you liked, but each one would overwrite the one before it, so, effectively, you have only one.

To facilitate this, we must move our “hookup” code from the HTML to a separate script section: Same thing with objects.

Some browsers may pass the text node inside a link as the clicked-on node, instead of the link itself. Unfortunately, there is simply no better way around the problem in Safari.

If you have a moderately complex piece of HTML that contains many elements, cloneNode is a very quick way to return a copy of that block of HTML ready for insertion into the document:. To get a reference to that element in JavaScript code, use document. The findTarget function does nothing but find qeb link tag for a given event.


Stuart Langridge, DHTML Utopia Modern Web Design Using JavaScript & DOM

You must explicitly test for each feature. I like these aspects, but while he dessign some things right, other things are really wrong. This isn’t a good approach to use. Learning which events are available, how to hook your code up to them, and how to make best use of them is a critical part of building dynamic Web applications. Next, we dig out the image. This represents a more systematic approach than the old-fashioned use of onmouseover and onmouseout attributes, and keeps rollover code separate from other content.

Targeted to designers and content creators, not just programmers. Its structure reflects our earlier discussions, but it contains some additional code for this particular technique. Instead, it offers a proprietary and different way to hook up event listeners and gain access to event data. This site uses Webmention.

You can see that some of this code is likely to appear in every project we attempt, particularly those parts that have to do dhrml listener installation. The DOM standards specify a document.

DHTML Utopia: Modern Web Design Using JavaScript & DOM

Get fast, free shipping with Amazon Prime. Having to create a whole batch of new elements and text nodes — appending the text nodes to their elements, the elements to each other, and the top element to the page — is something of a laborious process. We then create the text node for the text that will appear inside the link.

As mentioned above, browsers rely on a standard that describes how validated HTML should be interpreted. This site demonstrates CSS issues in various browsers and explains how to work around them.


DHTML Utopia; modern web design using JavaScript & DOM. – Free Online Library

We can shorten the code slightly to the following:. We want the bottom-right corner of the big image to move only as far as the bottom-right corner of the viewing area, and not move any further towards the top-left. Even javascipt the HTML attribute for handling this event is onmouseoverthe modern way to describe the event itself is simply mouseover.

Note that we also use toLowerCase on the nodeName of the element. But it’s “suitable for our discussion” so onward we press, and a correct solution is never provided.

Amazon Drive Cloud storage from Amazon. So, our code checks for the existence of window. If we had another javascrit, you could see that the second table is highlighted differently.

To find the other cells in this column, we could iterate through all the rows in the table and find within each row the cell that has the same cellIndex. This is all fairly advanced stuff, so we need to confirm that the running browser supports all the features we need in order to make it work.

Our code includes the now-familiar addEvent function to carry out cross-browser event hookups. Every page element fires a given selection of events.

This allows us to talk about the event mouseover and the event handler onmouseover separately. After this change, the browser will see the following document code:.