AJAX stands for Asynchronous JavaScript And XML.
Ajax is based on JavaScript language, besides it uses HTML, CSS and a language for the server-side (like PHP or ASP).
The AJAX lessons in this course are free and best suited for beginners, it offers the necessary elements to learn Ajax and work with it. But you need to know, at least at a beginner level, PHP and JavaScript.

• Useful questions and answers on Forum JavaScript -Ajax.

Ajax Lessons

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag renders as emphasized text, displaying the text oblique?
<strong> <pre> <em>
<p>Web development courses: <em>CoursesWeb.net</em></p>
Which CSS property defines the space between the element border and its content?
margin padding position
h3 {
  padding: 2px 0.2em;
}
Click on the method which returns the first element that matches a specified group of selectors.
getElementsByName() querySelector() querySelectorAll()
// gets first Div with class="cls", and shows its content
var elm = document.querySelector("div.cls");
alert(elm.innerHTML);
Indicate the PHP variable that contains data from a form sent with method="post".
$_SESSION $_GET $_POST
if(isset($_POST["field"])) {
  echo $_POST["field"];
}
AJAX Course, free Lessons

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