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fix js error

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This commit is contained in:
qingwei.li 2016-11-20 22:55:20 +08:00
commit c773b71832
1 changed files with 3 additions and 2 deletions
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5
src/bind-event.js
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@ -35,8 +35,9 @@ function scrollActiveSidebar () {
highlight()
function scrollIntoView () {
var id = window.location.hash.slice(1)
var section = document.querySelector('#' + id)
const id = window.location.hash.slice(1)
if (!id) return
const section = document.querySelector('#' + id)
if (section) section.scrollIntoView()
}