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)
How we know that the sun changes the Climate. Part I: The past
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by Javier Vinós Part I of a three part series. The Sun is a variable star
and the amount of energy it emits varies from month to month, year to year,
and c...
11 hours ago