Narayana Tutorial

How to detect Java and cookies whether enabled or not? Most of the websites using cookies to store data in the temporary file and java. Suppose in the system where you are accessing application cookies are disabled then what will happen? The application will not store any data to handle the request so that end […]

To determine the size of the browser window, use the following properties: in Internet Explorer (backward-compatibility mode): document.body.offsetWidth document.body.offsetHeight in Internet Explorer (standards mode, document.compatMode==’CSS1Compat’): document.documentElement.offsetWidth document.documentElement.offsetHeight in most other browsers – as well as IE9 (standards mode): window.innerWidth window.innerHeight (the page’s visible width/height) window.outerWidth window.outerHeight (the browser outer width/height) The following code sets the […]

How to detect operating system on the client machine? To detect the operating system on the client machine, your script can analyze the value of navigator.appVersion or navigator.userAgent. Below is a simple example of a script that sets the variable OSName to reflect the actual client OS. // This script sets OSName variable as follows: […]