Update App.js

src/App.js

@@ -12,7 +12,7 @@ let lastPositions = []
 let strokeWidth = 5
 let lastMouse = 0
 let eraserColor = "rgb(255, 255, 255)"
-let lastStrokeWidthPencil = 5, lastStrokeWidthEraser = 5, lastStrokeWidthRect = 5, lastStrokeWidthCircle = 5, lastStrokeWidthLine = 5
+let lastStrokeWidthPencil = 5, lastStrokeWidthEraser = 20, lastStrokeWidthRect = 5, lastStrokeWidthCircle = 5, lastStrokeWidthLine = 5
 
 let formAnchor = null;
 let textInput