Ajax Course

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
What attribute makes the input text box to not be modified by the user?
checked="checked" readonly="readonly" disabled="disabled"
<input type="text" value="fixed-value" readonly="readonly" name="a_name" />
What CSS property allows you to create rounded corners in your webpage design?
background-size border-size border-radius
.class {
  border:2px solid blue;
  border-radius:1.2em;
}
What instruction displays a confirmation dialog box to the viewer, who must then click OK or Cancel to proceed?
indexOf() confirm() prompt()
var ques = window.confirm("The result of 0+0 is 0?");
if (ques) alert("Corect");
else alert("Incorrect");
Indicate the PHP function that returns the lowest number of the parameter values.
floor() ceil() min()
$min_nr = min(12, 8, 25, 13);
echo $min_nr;        // 8
AJAX Course, free Lessons

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