Because it is written in Squeak Smalltalk, Scratch does support late binding as illustrated by this script:
I could tweak the size slider while the program was still running to produce a whole variety of new coloured squares on top of the original squares:
For more on late binding see:
why learn etoys squeak?
morphic / etoys is superior GUI and programming development system
late binding references
etoys (late binding)
President Donald Trump: An Earthquake For America’s Media - The election of Donald J. Trump as America’s 45th president was not only an irredeemable defeat for the political establishment in the U.S. in general, and...
12 hours ago