Merge pull request #1647 from pangjian/master

owen-m1 · web-flow · commit de5e7a45be69 · 2019-12-15T20:23:35.000-05:00
Fix(utils): Chrome &lt; 44 not support scrollingElement
diff --git a/src/utils.js b/src/utils.js
@@ -147,10 +147,12 @@ function find(ctx, tagName, iterator) {
 
 
 function getWindowScrollingElement() {
-	if (IE11OrLess) {
-		return document.documentElement;
+	let scrollingElement = document.scrollingElement;
+
+	if (scrollingElement) {
+		return scrollingElement
 	} else {
-		return document.scrollingElement;
+		return document.documentElement
 	}
 }
 

Original file line number	Diff line number	Diff line change
`@@ -147,10 +147,12 @@ function find(ctx, tagName, iterator) {`
`147`	`147`
`148`	`148`
`149`	`149`	`function getWindowScrollingElement() {`
`150`		`- if (IE11OrLess) {`
`151`		`- return document.documentElement;`
	`150`	`+ let scrollingElement = document.scrollingElement;`
	`151`	`+`
	`152`	`+ if (scrollingElement) {`
	`153`	`+ return scrollingElement`
`152`	`154`	`} else {`
`153`		`- return document.scrollingElement;`
	`155`	`+ return document.documentElement`
`154`	`156`	`}`
`155`	`157`	`}`
`156`	`158`