actionscript 3 - AS3 how to do a string to attribute -

actionscript 3 - AS3 how to do a string to attribute -

how attribute string? like, want utilize "this.a" "this" 's x position.

var a:string="x" trace(this.x,this.a)

use bracket notation:

trace( this['x'] );

or:

var a:string = 'x'; trace( this[a] );

string actionscript-3 attributes