AJAX Tutorials

How to get JSON data from JavaScript to PHP
- Ajax tutorial with examples about getting JSON data in PHP sent from JavaScript
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

What attribute makes an option from <select> selected?

checked="checked" selected="selected" disabled="disabled"

<select name="a_name">
 <option value="val1">Option 1</option>
 <option value="val2" selected="selected">Option 2</option>
</select>

What CSS value allows to create color gradients for background?

contain repeat-x linear-gradient

#id {
  background: linear-gradient(top left, #1f1, #fff, #11f);
}

What statement creates an array in JavaScript?

[] {} new Object()

var arr = [1, "CoursesWeb.net", "MarPlo.net"];
alert(arr[2]);

Indicate the PHP function used to redirect to other page.

function() header() switch()

header("Location: http://coursesweb.net/");
exit;

Ajax Course