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If you have a contact form, chances are that the form is marked up with HTML, some styles are applied to it, and a PHP script processes the information.
The only difference between this and AJAX is the information that the user inputs gets to the script and back to the user — everything else is the same.
When the user clicks the button, the data they have entered into the form is sent via AJAX to the processing script, which saves the data and returns the string “data saved.” You can then output that data to the user by inserting it onto the page.
The thing to grasp about AJAX is how different it is from what you’re already doing.
AJAX is a combination of HTML, CSS and Java Script code that enables you to send data to a script and then receive and process the script’s response without needing to reload the page.
If you’re not familiar with AJAX, I suggest continuing to the end of this article and .
It is much less secure and does not give you some of the cool options that the Word Press system does.
But this is basically a hack and so is not future-proof.To exploit the full potential of AJAX and get the most out of this article, you will need to be familiar with Java Script (j Query will suffice), as well as HTML, CSS and PHP.If your Java Script knowledge is a bit iffy, don’t worry; you’ll still be able to follow the logic.Using the second hook, you can cater to logged-out users separately.Let’s build a rudimentary voting system as a quick example. If you need help with this part, look at the tutorial on creating a plugin file, and open it.