Remove "Undo" buttons on completion of a level

phetsims / expression-exchange

"Expression Exchange" is an educational simulation in HTML5, by PhET Interactive Simulations.

GNU General Public License v3.0

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Remove "Undo" buttons on completion of a level #107

Closed phet-steele closed 7 years ago

phet-steele commented 7 years ago

After conferring with @jbphet and @amanda-phet, we agree that the "Undo" buttons do not need to be visible once all three challenges have been answered correctly in a level. @jbphet, the buttons would disappear immediately after completion of a level, just as the Next button appears.

For phetsims/tasks/issues/860.

jbphet commented 7 years ago

I've added this functionality, will unassign and have it tested on next release.

phet-steele commented 7 years ago

Behaving amazingly in dev.4, woo!