Rob Gravelle

Add Scripting an HTML5 Web Application Using the Maqetta Editor 9/5/13 This article is a continuation of Implement the Dojo DateTextBox Control In an HTML5 Web Application Using the Maqetta Editor . In that tutorial, we learned how to work with Dojo DateTextBox control properties to change the date display format, wrote validation code, and […]

9/3/13 Nothing says dynamic like Ajax calls. While server-side languages like .NET and PHP can generate context-sensitive content to a certain degree, once the page has been loaded into the browser, Ajax allows us to refresh specific elements of the document without reloading the entire page. Having a server component in place to handle the […]

8/23/13 I can still remember the day that I discovered the Mouseover and Mouseout events and how they could be utilized to change images when the user hovered the mousepointer over them. I knew at that moment that my world would never be the same. Later, I came to know of other useful events, such […]

Implement the Dojo DateTextBox Control In an HTML5 Web Application Using the Maqetta Editor 8/19/13 In this follow up to the Create an HTML5 Desktop Application in the Maqetta Editor article, we’ll be learning how to work with Dojo DateTextBox control properties to change the date display format as well as perform various validation checks. […]

Build an Offline HTML5 Web Application 7/30/13 Browser Support Before delving into any latest technology, you should always perform a quick spike on browser vendor and platform support. Otherwise, you risk writing something that will only benefit a select few users. With respect to Offline Apps, the news is good! According to caniuse.com, all class […]

7/22/13 Is Java Dead? Some proponents of the up-and-coming Web developing community are of the opinion that Java, servlets, and JSPs are an ancient and thus obsolete technology, a dinosaur that is all but extinct. As the senior technical advisor for Java coding practices for Canada Border Services, I can vouch for the fact that […]

Referencing CSS3 Properties Using JavaScript 7/16/13   Recently, I discussed using JavaScript’s CSS3 Selectors in the article of the same name. But the CSS3 specification is far more reaching than that. Unlike CSS2, which is a large single specification defining various features, CSS3 is divided into several separate documents called “modules”. Each module adds new […]

Create an HTML5 Desktop Application in the Maqetta Editor 7/16/13 The Maqetta Editor is an open source initiative of the Dojo Foundation that provides WYSIWYG web development in the cloud or locally. It supports drag & drop assembly of live UI mockups for HTML-based desktop and mobile applications. In today’s article, I’m going to show […]

6/23/13 The HTML5 selectors API has given Web developers unprecedented access to document elements. Developed by the W3C, the Selectors API provides a way of easily accessing elements in the DOM using a standardized syntax. All modern browsers – even IE8 – support them. In this article, we’ll learn how to use JavaScript to reference […]

Introducing the Maqetta HTML5 Editor 6/19/13 When it comes to designing the User Interface of a Web or mobile app, nothing beats a WYSIWYG editor that allows you to visualize what you’re building as you go. In writing my Working with HTML5 in Eclipse Juno article, I was a little disappointed that Eclipse’s Web Page […]

Using the done() Method in Your Jasmine-driven Asynchronous JavaScript Tests 6/19/13 Jasmine.Async is an add-on library for Jasmine that provides additional functionality to do asynchronous testing. Modeled after Mocha’s async test support, it brings the done() function to the Jasmine unit testing environment. In today’s article, we’ll learn how the Jasmine.Async library makes your asynchronous […]

6/11/13 The key to making dynamic web applications interactive in Java is the use JSP pages. They do so by including special tags that are parsed and evaluated by the server, thus allowing the page to provide up to the second content. We’re going to include two special tag libraries called c and fmt. The […]