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

Click on the tag that creates a cell in table
<tr> <span> <td>
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

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