not a right comparison

Jiapan-Yu · web-flow · commit 4397c7f931ea · 2021-10-21T16:33:44.000+08:00
an empty &lt;div&gt; has its parent element's content area width which may not be zero
diff --git a/2-ui/1-document/09-size-and-scroll/article.md b/2-ui/1-document/09-size-and-scroll/article.md
@@ -116,7 +116,7 @@ function isHidden(elem) {
 }
 ```
 
-Please note that such `isHidden` returns `true` for elements that are on-screen, but have zero sizes (like an empty `<div>`).
+Please note that such `isHidden` returns `true` for elements that are on-screen, but have zero sizes.
 ````
 
 ## clientTop/Left

Original file line number	Diff line number	Diff line change
`@@ -116,7 +116,7 @@ function isHidden(elem) {`
`116`	`116`	`}`
`117`	`117`	```
`118`	`118`
`119`		-Please note that such `isHidden` returns `true` for elements that are on-screen, but have zero sizes (like an empty `<div>`).
	`119`	+Please note that such `isHidden` returns `true` for elements that are on-screen, but have zero sizes.
`120`	`120`	````
`121`	`121`
`122`	`122`	`## clientTop/Left`