ui/vant
1
0
Fork 0
mirror of https://github.com/youzan/vant.git synced 2025-12-20 01:01:34 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

[bugfix] popup scrollable element (#429)

Browse Source
This commit is contained in:
WyTiny
2017-12-14 14:47:24 +08:00
committed by neverland
parent 5a96838326
commit a024399fbe
3 changed files with 42 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
packages/utils/scroll.js
View File

@@ -23,18 +23,22 @@ export default {
};
},
// 找到最近的触发滚动事件的元素
getScrollEventTarget(element) {
/* 找到最近的触发滚动事件的元素
* @param {Element} element
* @param {Element} rootElement
* @return {Element | window}
*/
getScrollEventTarget(element, rootParent = window) {
let currentNode = element;
// bugfix, see http://w3help.org/zh-cn/causes/SD9013 and http://stackoverflow.com/questions/17016740/onscroll-function-is-not-working-for-chrome
while (currentNode && currentNode.tagName !== 'HTML' && currentNode.tagName !== 'BODY' && currentNode.nodeType === 1) {
while (currentNode && currentNode.tagName !== 'HTML' && currentNode.tagName !== 'BODY' && currentNode.nodeType === 1 && currentNode !== rootParent) {
const overflowY = this.getComputedStyle(currentNode).overflowY;
if (overflowY === 'scroll' || overflowY === 'auto') {
return currentNode;
}
currentNode = currentNode.parentNode;
}
return window;
return rootParent;
},
// 判断元素是否被加入到页面节点内