// line comment delimiter operator
// comment
Indicates the beginning of a script comment. Any characters that appear between the comment delimiter (//) and the end-of-line character are interpreted as a comment and ignored by the ActionScript interpreter.
comment - Any characters.
The following script uses comment delimiters to identify the first, third, fifth, and seventh lines as comments:
// record the X position of the ball movie clip var ballX:Number = ball_mc._x; // record the Y position of the ball movie clip var ballY:Number = ball_mc._y; // record the X position of the bat movie clip var batX:Number = bat_mc._x; // record the Y position of the ball movie clip var batY:Number = bat_mc._y;