Form submission with Ajax is a powerful technique that provides a way to send web forms without reloading the browser window. The jQuery library lets you take Ajax form submission a step farther by providing a way to quickly and easily produce Ajax-enabled web forms with minimal code. In this article, learn how to create basic Ajax form submissions with jQuery before discovering how to use this technique to authenticate a user. The article then demonstrates user registration techniques with Ajax using jQuery, such as checking for user name availability and suggesting user names when a chosen user name is already taken. Neither technique requires form submission or page reloads.

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Ajax user authentication and registration techniques with jQuery