With HTML5 and JavaScript, you can implement native drag and drop functions within the Web browser. This is one of the emerging HTML5 tools that promises to make websites more interactive without relying on additional technologies such as Flash. In this tutorial we will create a simple page with images the user can drag and drop into designated areas. Create an HTML5 Web Page ... Create an HTML file for your drag and drop function. Use the following basic outline, with sections for JavaScript and CSS...
The HTML5 Server-Sent event model allows you to push realtime data updates from the server to the browser. In this tutorial we will work through the process, with the EventSource object handling received data and writing it to the page. We will use HTML5 and JavaScript at client side, with PHP at server side. With existing models such as AJAX, the code in a Web page would continually ask the server to supply new data, but the onus was on the client to request the information. With Server-Sent requests, you...
With CSS3, developers and designers can utilize an enhanced range of options for Web page backgrounds. New options include the ability to use multiple background images, to specify size properties for background images, and to define background origin and clipping in terms of the CSS box model. In this tutorial we will work through various options using these new techniques, demonstrating the CSS syntax for each one. Create a Page ... Create a Web page with a single element and an area for your CSS declarations...
Google Analtyics gives so much data that sometimes it becomes hard to digest. For larger sites it is easy to become so overwhelmed that you can't find the time to look up the analtyics for each page. Or maybe you have many editors for a site who don't have access to your Google Analtyics account and you want to provide them with data so they can see how well their pages are performing. With the Google Analytics API we can easily display some basic analytics right in each page. Google offers many libraries...
HTML5 offers lots of significant advantages to developers, but browser support is still pretty low. There's no reason not to start inserting HTML5 functions into sites now, as long as you take the necessary steps to check for browser support and provide alternative content for everyone else. In this tutorial we'll go over the basics of using HTML5 and JavaScript to exploit the enhanced storage facilities on offer. With HTML5 you can store more data - and store it more efficiently. The two main data storage...
In the previous lesson, we examined the basic functions of our banner ad tracking system, including the retrieval of records for both banner ads and advertisers. In this lesson, we will look at the functions responsible for generating reports and manipulating the data in the ads table and advertiser table. The getClientsList() function retrieves active client records and sorts them alphabetically by client name: function getClientsList() { // get clients from db $sql = "SELECT ad_client_id,...
We’re going to wrap up our tutorial on how to develop a responsive website this week by making our secondary page, well, responsive. We created our large layout for the page in our last tutorial, but now we want to make it fluid so that it will display nicely across various platforms, ranging from tablets and mobile devices to PC’s. Let’s take a quick peak at what we’re working towards. Notice how once we hit the skinnier, mobile version of the site we go to a more vertical layout. This makes it...
With CSS3, you can transform the appearance of Web page elements. The skew transform allows you to skew a particular element or group of elements, by supplying a number of degrees to skew along the X and Y axes. Your code needs to be tailored to the specific browsers supporting CSS3 and you do, of course, need to remember that not all browsers support these properties yet. The CSS3 skew transform can execute as the user interacts with your pages, and you can optionally include a transition within the effect....