fix(event): has no effect on a FF mobile browser, fixed #67

QingWei-Li · QingWei-Li · commit 0ff36c22bbf3 · 2017-02-11T14:54:02.000+08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,8 +1,15 @@
 ## 2.3.0
 
 > 2017-02-11
+
+### Features
+
 - feat(src): add alias feature
 
+### Bug fixes
+- fix(event): `auto2top` has no effect on a FF mobile browser, fixed #67
+
+
 ## 2.2.1
 
 > 2017-02-11
diff --git a/src/event.js b/src/event.js
@@ -135,8 +135,10 @@ export function bindToggle (dom) {
   }
 }
 
+const scrollingElement = document.scrollingElement || document.documentElement
+
 export function scroll2Top (offset = 0) {
-  document.body.scrollTop = offset === true ? 0 : Number(offset)
+  scrollingElement.scrollTop = offset === true ? 0 : Number(offset)
 }
 
 export function sticky () {

Original file line number	Diff line number	Diff line change
`@@ -135,8 +135,10 @@ export function bindToggle (dom) {`
`135`	`135`	`}`
`136`	`136`	`}`
`137`	`137`
	`138`	`+const scrollingElement = document.scrollingElement \|\| document.documentElement`
	`139`	`+`
`138`	`140`	`export function scroll2Top (offset = 0) {`
`139`		`- document.body.scrollTop = offset === true ? 0 : Number(offset)`
	`141`	`+ scrollingElement.scrollTop = offset === true ? 0 : Number(offset)`
`140`	`142`	`}`
`141`	`143`
`142`	`144`	`export function sticky () {`