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Merge pull request #5628 from anymost/2.0

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Fix cannot read offset of undefined on anchor component
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Aresn 2019-04-26 16:27:05 +08:00 • committed by GitHub
commit 5b250f6e1c
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1 changed files with 3 additions and 1 deletions
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4
src/components/anchor/anchor.vue
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@ -168,7 +168,9 @@ export default {
this.handleScrollTo();
this.handleSetInkTop();
this.updateTitleOffset();
this.upperFirstTitle = this.scrollElement.scrollTop < this.titlesOffsetArr[0].offset;
if (this.titlesOffsetArr[0]) {
this.upperFirstTitle = this.scrollElement.scrollTop < this.titlesOffsetArr[0].offset;
}
on(this.scrollContainer, 'scroll', this.handleScroll);
on(window, 'hashchange', this.handleHashChange);
});