The following Javascript code will help you change the background-color of your web-page automatically and at a time-interval (in milli-seconds) as specified in the code

What is a closure? A closure is an inner function that has access to the outer (enclosing) function’s variables—scope chain. The closure has three scope chains: it has access to its own scope (variables defined between its curly brackets), it has access to the outer function’s variables, and it has access to the global variables. The inner function has access not only to the outer function’s variables, but also to the outer function’s parameters. Note that the inner function cannot call the outer function’s argumentsobject, however, even though it can call the outer function’s parameters directly. You create a closure by adding a function inside another function. A Basic Example of Closures in JavaScript:

In JavaScript, objects are pairs of keys and values (in Ruby, this structure is called a Hash; in Python, it’s called a dictionary). For example, if I wanted to describe my name, I could have an object with two keys: `firstName` would point to “Yehuda” and `lastName` would point to “Katz”. Keys in a JavaScript object are Strings. To create the simplest new object in JavaScript, you can use Object.create:

1. First of all you have to install XCode and the xcode command line tools. XCode can be installed from the Mac App Store and then the xcode command line tools can be installed from the command line using this command:

For a PHP programmer you always know that PHP is a popular language and have a huge amount of source code for reference, the majority of the components of a website has been developed as an open source use it required to comply with the license of the author sometimes not include the binding