Javascript Course

Welcome to this JavaScript course.
JavaScript is ubiquitous on the World Wide Web. You can use JavaScript to make your Web pages more interactive, so that they react to a viewer's actions, and to give your Web pages some special visual effects.
JavaScript allows you to add additional features that a static HTML page can't provide without some script code.
The JavaScript lessons of this course are free and a good start for beginners, they offer the necessary elements to learn the JavaScript programming language and working with JS code.

• Useful questions and answers on Forum JavaScript -Ajax.

JavaScript Lessons

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Click on the tag that creates a cell in table
<tr> <span> <td>
<table></tr>
  <td>Cell-1</td><td>Cell-2</td>
</tr></table>
Indicate the CSS property used to specify a background image for an element
background-color background-image color
h3 {
  background-image: url("image.jpg");
}
What instruction can be used to parse all the array items?
for() [) object()
var arr = [1, "ab", "CoursesWeb.net"];
for(var i=0; i< arr.length; i++) { alert(arr[i]); };
Indicate the PHP instruction used to traverse an associative array.
for() foreach() if()
$arr =["k1"=>"v1", "k2"=>"v2", "k3"=>"v3");
foreach($arr AS $k => $v) { echo "<br/>". $k ." - ". $v; }
JavaScript Course - Free lessons

Last accessed pages

  1. PHP PDO - exec (INSERT, UPDATE, DELETE) MySQL (49205)
  2. PHP MySQL - WHERE and LIKE (23337)
  3. PHP OOP - Constructor Method (5337)
  4. JavaScript code and PHP (29899)
  5. Courses Web: PHP-MySQL JavaScript Node.js Ajax HTML CSS (108293)

Popular pages this month

  1. Courses Web: PHP-MySQL JavaScript Node.js Ajax HTML CSS (813)
  2. querySelector and querySelectorAll (438)
  3. Read Excel file data in PHP - PhpExcelReader (404)
  4. PHP-MySQL free course, online tutorials PHP MySQL code (380)
  5. JavaScript Course - Free lessons (293)