Factorscript proof-of-concept demonstration.

  : box-css "css" ".box" $2 ;   <–– CREATES RE-USABLE WORD
	
  "yellow" "background-color" box-css 
  "blue" "color" box-css

  [| this | <–– QUOTATION WITH A NAMED PARAMETER
    "calculation_click" "addClass" this $1 
    400 "width" "css" this $2 
    "pink" "background-color" box-css 
  ] "click" ".calculation" $$ <–– CLICK EVENT

Click on the middle box.

this is a box