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

Daily Test with Code Example

HTML

CSS

JavaScript

PHP-MySQL

Which type of <input> creates input fields that should contain a numeric value?

type="text" type="number" type="date"

<input type="number" name="points" min="5" max="80" />

Which CSS property allows to change the transparency of an element?

font-style opacity color

#id {
  filter:alpha(opacity=40);    /* for IE */
  opacity:0.4;
}

Click on the function that formats a number to specified number of characters.

toPrecision() exp() toFixed()

var num = 12.34567;
alert( num.toPrecision(3) );       // 12.3

Which function randomizes the order of the elements into an array?

natsort() shuffle() sort()

$lang =[10=>"PHP", 20=>"JavaScript", "site"=>"coursesweb.net");
shuffle($lang);
var_export($lang);     // array (0=>"coursesweb.net", 1=>"PHP", 2=>"JavaScript")

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