document . onkeydown = ( event ) => { event = event || window . event ; let isEscape = false ; if ( "key" in event ) { isEscape = ( event . key === "Escape" || event . key === "Esc" ) ; } else { isEscape = ( event . keyCode === 27 ) ; } if ( isEscape ) { document . querySelector ( "interact-bar" ) . setAttribute ( "style" , "display: none;" ) ; document . getElementById ( "terminal-section" ) . setAttribute ( "style" , "display: none;" ) ; } } ;