微件:Sandbox：修订间差异
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无编辑摘要 |
无编辑摘要 |
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| 第24行： | 第24行： | ||
<script> | <script> | ||
window.onscroll = function() { | window.onscroll = function() { | ||
var | var table = document.getElementById("fixed-header-table"); | ||
var hdr = document.getElementById('fixed-table-header'); | var hdr = document.getElementById('fixed-table-header'); | ||
if (top < | var rect = table.getBoundingClientRect(); | ||
if (rect.top < 0 && rect.bottom > 0) { | |||
if (hdr == null) { | if (hdr == null) { | ||
hdr = table.cloneNode(true); | hdr = table.cloneNode(true); | ||
hdr.id = 'fixed-table-header'; | hdr.id = 'fixed-table-header'; | ||