Jquery html updating existing javascript function

You can use AJAX to grab information and update the Web page that your user is currently viewing with that information.

Complex requests can be made to databases operating in the background.

The change() method triggers the change event, or attaches a function to run when a change event occurs.

Note: For select menus, the change event occurs when an option is selected.

When new users register to use the Web site, they need to have unique user names.

Their user name will be associated with other information, such as photos they upload or articles they write.

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In fact, in Java Script, all functions have access to the scope "above" them. Nested functions have access to the scope "above" them.

j Query also provides a robust feature set, including callbacks, for developers who want to customize their AJAX calls to provide richer interactive experiences.

I'll show you how to use several of j Query's AJAX features to enhance Web sites and applications.

The second parameter indicates the length of the time-interval between each execution.

This example executes a function called "my Timer" once every second (like a digital watch).

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