From 42f5b4fb63ff997cbab40af1162f49d6fcaa3c86 Mon Sep 17 00:00:00 2001
From: blue <blue@macaw.me>
Date: Sun, 18 Nov 2018 21:14:06 +0300
Subject: [PATCH] es6 syntax learning

---
 painting/canvas.js    | 1 -
 painting/rectangle.js | 2 --
 painting/shape.js     | 5 +----
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/painting/canvas.js b/painting/canvas.js
index d120be6..8ca8089 100644
--- a/painting/canvas.js
+++ b/painting/canvas.js
@@ -1,7 +1,6 @@
 import Color from "./color.js";
 
 class Canvas {
-    element;
     constructor() {
         this.element = document.createElement("canvas");
         this.element.width = 1000;
diff --git a/painting/rectangle.js b/painting/rectangle.js
index 53700c3..dbfe3e5 100644
--- a/painting/rectangle.js
+++ b/painting/rectangle.js
@@ -1,8 +1,6 @@
 import Shape from "./shape.js";
 
 class Rectangle extends Shape {
-    className = "Rectangle";
-    
     constructor(x, y, color, width, height) {
         super(x, y, color);
         
diff --git a/painting/shape.js b/painting/shape.js
index d596e46..a4d4d24 100644
--- a/painting/shape.js
+++ b/painting/shape.js
@@ -1,16 +1,13 @@
 import Color from "./color.js";
 
 class Shape {
-    className = "Shape";
-    color;
-    
     constructor(x, y, color) {
         this._x = x;
         this._y = y;
         this.color = color;
     }
     draw(context) {
-        throw new Error("A pure virtual method call of a shape " + this.className);
+        throw new Error("A pure virtual method call of a shape " + this.constructor.name);
     }
     
     static randomOptions() {