vldvel · October 19, 2019 03:12
diff --git a/MutationObserver-subscriber-simple.js b/MutationObserver-subscriber-simple.js
 function subscriber(mutations) {
  
  console.log(mutations);// [...]
  console.log(mutations.constructor);// Array
  
  mutations.forEach((mutation) => {
    console.log(mutation); // {...}
    console.log(mutation.constructor); // MutationRecord
  });
  
 }
	function subscriber(mutations) {

	console.log(mutations);// [...]
	console.log(mutations.constructor);// Array

	mutations.forEach((mutation) => {
	console.log(mutation); // {...}
	console.log(mutation.constructor); // MutationRecord
	});

	}