document.all: explain replacement (mdn#28234)

files/en-us/web/api/document/all/index.md

@@ -15,6 +15,12 @@ property returns an {{DOMxRef("HTMLAllCollection")}} rooted at the document node
 other words, it returns all of the document's elements, accessible by order (like an
 array) and by ID (like a regular object).
 
+Rather than using `document.all` to return an {{DOMxRef("HTMLAllCollection")}} of all the document's elements in document order, you can use {{DOMxRef("Document.querySelectorAll")}} to return a {{DOMxRef("NodeList")}} of all the document's elements in document order:
+
+```js
+const allElements = document.querySelectorAll("*");
+```
+
 ## Value
 
 An {{DOMxRef("HTMLAllCollection")}} which contains every element in the document.