AJAX Tutorials

Ajax request when the page is closed
- Simple JavaScript script to make Ajax request when the user closes the page. Register with Ajax and PHP the time users spend on website
Check and Validate input field when loses focus, with PHP via Ajax
- Check and Validate input form field when loses focus, onblur event, with PHP via Ajax
Multiple Select Dropdown List with AJAX
- Multiple Select Dropdown List with AJAX, create triple select option lists with data from MySQL table
Multiple upload files
- Ajax Script, Multiple upload files by adding multiple uploading input fields in the form
Execute JavaScript scripts loaded via AJAX
- Ajax Tutorial - Execute JavaScript scripts loaded via AJAX, response from PHP
Download AJAX resources
- Free Download AJAX resources, pdf ebooks, video courses and tutorials for learning AJAX

Which tag is used to add definition lists into a <dl> element?

<dl>
 <dt>HTML</dt>
  <dd> - Hyper Text Markup Language</dd>
  <dd> - Language for web pages</dd>
</dl>

Which CSS property can hide an element on page, letting an empty space in its place?

display position visibility

#id {
  visibility: hidden;
}

Click on the event which is triggered when the mouse clicks on an object.

onclick onmouseover onfocus

document.getElementById("id").onclick = function(){
  alert("http://CoursesWeb.net/");
}

Indicate the PHP variable that contains the contents of both $_GET, $_POST, and $_COOKIE arrays.

$_SESSION $_GET $_REQUEST

if(isset($_REQUEST["id"])) {
  echo $_REQUEST["id"];
}