JeffML · November 17, 2018 19:38
diff --git a/log1DecoUse.js b/log1DecoUse.js
 class MyClass {
  @log
  sum(a, b) {
    return a + b;
  }
 }

 const instance = new MyClass()
 instance.sum(2, 3);  // execute the decorated method

 // the decorator dumps this string to the console:
 // sum(2,3) = 5
	class MyClass {
	@log
	sum(a, b) {
	return a + b;
	}
	}

	const instance = new MyClass()
	instance.sum(2, 3); // execute the decorated method

	// the decorator dumps this string to the console:
	// sum(2,3) = 5