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add judgments if next doesnot exist #3675

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add judgments if next doesnot exist #3675

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cf5a983
add judgments if next doesnot exist
huanmo222 Mar 6, 2020
b10868c
add judgments if next doesnot exist
huanmo222 Mar 6, 2020
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4 changes: 2 additions & 2 deletions src/components/sticky/sticky.js
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Original file line number Diff line number Diff line change
Expand Up @@ -53,10 +53,10 @@ export default function (nav, options = {}) {
const getFillElem = function (el) {
let next = el.nextSibling
// 寻找最近的一个兄弟元素
while (next.nodeType !== 1) {
while (!!next && next.nodeType !== 1) {
next = next.nextSibling
}
if (next.classList.contains('vux-sticky-fill')) {
if (!!next && next.classList.contains('vux-sticky-fill')) {
return next
}
// 没有使用vux-sticky-fill按照之前的方式获取外层容器
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