fix for a memory leak
fix for a memory leak

removed the constant creation of new <canvas> that would spike memory usage and also added a missing semicolon
googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community,googlecreativelab/teachablemachine-community