The following tutorial illustrates the simplest ActionScript code.

Edit1 = "Hello World!";
Press F9 to preview in Flash player.
The ActionScript code is executed before the frame is displayed.
Hit "Alt+F4" to close preview.
To export Flash file choose "File" > "Export Flash SWF File". Type the file name and click OK. To insert Flash in your web page choose "File" > "View HTML Code". Select entire HTML code, right click mouse button and choose "Copy" from the popup menu. Click Close. Paste the code to your HTML page.