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HttpSession Interface HttpSession Interface is used for session tracking like cookies, URL rewriting. HttpSession provides a mechanism to

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Node.js MySQL Database operations Database operations Establishing Connection Connection Options Create a Table Deleting a Table Create a Ta

One of the major differences between Node.js and JavaScript is the globals. Despite the fact, that the Node is built over the JavaScript itself still Node has a totally different purpose. For example, in-browser JavaScript has a window object with global, that is, of course, missing in Node because Node is not designed to deal with the browser window. So, Node has its own global objects. These objects are global in nature and available in all modules. We are not required to include these objects externally in our application. Another major difference is that In browsers JavaScript, the top-level scope is the global scope. This means that in the browser if we declare a variable as,