DHTML UTOPIA MODERN WEB DESIGN USING JAVASCRIPT DOM PDF

“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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DHTML Utopia: Modern Web Design Using JavaScript & DOM – Stuart Langridge – Google Books

Usiny this means more code, notice how it keeps the HTML content clean and simple. If not you can add a link here. 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:. The event handler is the location at which an event handler is placed. Here are the six items in all their dedign.

This makes your job as Website developer much easier. We use it to call the addListeners function once the page has loaded. Footnotes abound – often just URLs to now broken links – so you have to wonder why he couldn’t have provided the utipia at the bottom of the page.

You can therefore reasonably assume in setting up your event listeners that all the features you require are available; this assumption can simplify your code immensely. When we click a link, that link fires a click event, and xesign is run. East Dane Designer Men’s Fashion.

The findTarget function does nothing but find the link tag for a given event. In general, an attribute that can be applied to a tag in your HTML is also gettable and settable as a property on a node from JavaScript. A CSS property that was named:. The text node is desing floating around, separate from the document.

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While all this was taking place, the W3C developed a specification for the Document Object Model Level 1, which outlined a generic and standard method to access the various parts of an XML document using script. A subtle change that we made in the above code was to give the aKeyWasPressed function an argument, e. The addListeners function uses another familiar technique; it iterates through all the links on the page and does something to them.

So the big image had better slide in the opposite direction to the mouse: We could implement this functionality using a combination of event listeners: This is possible because JavaScript treats zero as meaning false. Nonetheless, he throws you a bone with a bit of gravy, but if you’re trying to find the steak, you’re outta luck.

Lots of Websites contain photo galleries: This approach is called semantic markup — a fancy way of saying, “uses tags to describe meaning. This object has a number of properties containing useful information, such as target, and a reference to the element that fired the event.

DHTML Utopia; modern web design using JavaScript & DOM.

Code like this is liable to be javascropt to each DHTML effect you undertake, but the mind-bending you have to do to come up with the code is similar in all cases. The tasks are neatly divided. For now, simply remember that if you cross your tags, each browser will interpret your code in a different way, according to different rules rather than according to the standard. This script contains a myScriptInit function, which sets up myScriptEventListener as an event listener.

We can test whether those properties are defined on a given element’s object as follows:.

On with the show! Javascrilt handy trick that many applications use to display tables of data is to highlight the individual row and column that the viewer is looking at; paper-based tables often shade table rows and columns alternately to provide a similar although non-dynamic …until paper technology gets a lot cooler than it is now, at any rate!

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The text of uxing link, which read “SitePoint” before, has not changed; if we need to alter that, we have to do so separately. You must explicitly test for each feature. To change the highlight, simply change the CSS.

DHTML Utopia: Modern Web Design Using JavaScript & DOM | Review || Books @ HTML Source

In our example, we look for matches to the expression b? So always use this, at least until the data property is widespread in about ! Dhtjl on the link will cause that link to fire a click event. If, before setting up the event listeners, you check that the browser supplies all the DOM features required by the code, event listeners will not be set up for browsers that do not support those features.

The DOM standard specifies a method, named preventDefaultthat achieves this, but again, Internet Explorer implements its own proprietary technique. Halting bubbling can be done in two ways, as is the case with much event handling: The ill-fated “browser wars” were all mavascript these proprietary extensions to the Web, as each manufacturer strove to attract more developers to its platform through the lure of usinf features.

The DOM specifications enlarge the idea of event handlers by providing event targets and event listeners. It does seem that there are quite a few “critical” bits, I know! If you want to look good, you need to learn how to dress up and go to the gym regularly! After he introduces javaxcript, he doesn’t do to much to explain to you how to use them to your full advantage.

We can shorten the code slightly to the following:. We’re storing the dimensions of the larger image in custom attributes on the a element: