jason-den · February 22, 2020 01:23
diff --git a/js_obj_expend b/js_obj_expend

 const obj1 = {a:'a', b:'b'}
 const obj2 = {...obj1, a:'new a'}
 console.log(obj2); 
 // > Object { a: "new a", b: "b" }

	const obj1 = {a:'a', b:'b'}
	const obj2 = {...obj1, a:'new a'}
	console.log(obj2);
	// > Object { a: "new a", b: "b" }