Before proceeding with the presentation of the ActionScript 3 language elements, here is a simple script to see from the beginning how easily you can create objects (text, shapes) into a Flash presentation using ActionScript code.
- Follow these steps:

  1. Open a new Flash document (ActionScript 3.0).
  2. Right-click on the first Frame in the Timeline, and then choose Actions.
  3. In the "Actions panel" (the window used to write ActionScript code) add the following code:
    var site:TextField = new TextField();     // declare the "site" variable ("TextField" type)
    site.text = "www.marplo.net";             // add a text in "site" variable
    addChild(site);            // add the variable (its value) in Flash presentation
    
  4. Press "Ctrl+Enter" to see the result
- This ActionScript code will display the text "www.marplo.net" in the Flash presentation.

You can create many other elements in a Flash presentation with ActionScript: lines, geometric shapes, animation, etc.
In the next example we add a square to the presentation created above (see also the explanations in comments).
  1. Continue the above example. In the same Actions panel add the code bellow, after the existing code, as shown in this immage:
    Simple script AS3
    - If you have closed the Actions panel, right-click on Frame 1 and choose "Actions".
    var square:Shape = new Shape;            // declare the "square" variable ("Shape" type)
    square.graphics.beginFill(0x08fe08);     // add a color to "square", with "beginFill(0xRRGGBB)
    
    // define the "square" (position and size, in pixels), with "graphics" property and "drawRect(X, Y, width, height)" method
    square.graphics.drawRect(0, 20, 100,100);
    addChild(square);                  // add the square in Flash presentation
    
  2. Press "Ctrl+Enter" to see the rezult. Flash will display a window with a text and a green square like in the picture below.
    Simple script AS3 2
The FLA file with this example can be downloaded from: Simple script AS3.

So, step by step, with ActionScript you can create complex Flash presentations, the objects you add and their properties can be controlled with AS3 methods and properties. For example, to add transparency to the square in the example above, you can use the "beginFill(color, nr_alpha)" method (for "nr_alpha" add a number between 0 and 1), like this: square.graphics.beginFill(0x08fe08, 0.5);

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag is a block element?
<div> <img> <span>
<div>Web Programming and Development</div>
Which CSS code displays the text underlined?
font-style: italic; text-decoration: underline; font-weight: 500;
h2 {
  text-decoration: underline;
}
Click on the JavaScript function that can access other function after a specified time.
insertBefore() setTimeout() querySelector()
function someFunction() { alert("CoursesWeb.net"); }
setTimeout("someFunction()", 2000);
Click on the instruction that returns the number of items of a multidimensional array in PHP.
count($array) count($array, 1) strlen()
$food = array("fruits" => array("banana", "apple"), "veggie" => array("collard", "pea"));
$nr_food = count($food, 1);
echo $nr_food;       // 6
A simple script ActionScript 3

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