Home » Archives for Arindam Chattopadhya

Author Archives: Arindam Chattopadhya

Arindam has completed Masters in Information Technology. His expertise includes enterprise applications architecture, application integration, legacy connectivity, user interface engineering, systems analysis and distributed systems architecture and design. He has hand-on expertise on Java EE , web technology and mobile application development.

HTML5 Form Validation Example

EDITORIAL NOTE: In this post, we feature a comprehensive HTML5 Form Validation Example.  Form validation is when you enter data, the web application checks it to see that the data is correct. If correct, the application allows the data to be submitted to the server and (usually) saved in a database; if not, it gives you an error message explaining ...

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HTML5 Geolocation Example – Weather Widget Demo

Introduction At the heart of every location-based application is positioning and Geolocation. Geolocation is similar to  the use of positioning systems but is more focused on determining a meaningful location (e.g. a street address) rather than just a set of geographic coordinates. In this tutorial you will learn the Geolocation capabilities of HTML5. The API provides a method to locate the ...

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HTML5 Graphics and Animation Example

Introduction Animation is the visualization of change, having reference points for the start and end states for comparison. Before HTML 5, it was limited to usage of Adobe Flash, CSS and JavaScript mostly. In this tutorial we will introduce the HTML canvas element and the requestAnimationFrame function in JavaScript to help us create simple animations. The HTML canvas element (introduced ...

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HTML5 Local Storage Example

Introduction HTML5 local storage allows web applications to store values locally in the browser and can survive the browser session, just like cookies. Unlike cookies that need to be sent with every HTTP request, thereby affecting website performance, local storage data as information is never transferred to the server. Additionally, cookies allow you to store only 4K of data per ...

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HTML5 Dropdown menu example with CSS3

EDITORIAL NOTE: In this post, we feature a comprehensive HTML5 Dropdown menu example with CSS3. A dropdown menu is a toggleable menu that allows the user to choose one value from a predefined list. Introduction The web has evolved into something more than just linked documents; pages behave increasingly these days like apps. Even a few years ago we would ...

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