I'm trying to fix my table header once it is scrolled down that it fixed at the top position.
I've managed to fix the header by making a javascript to detect the scroll position and then apply css to make the position as fixed at the top
But the column sizing of the header become lost, apparently it become smaller.
I will appreciate if someone able to help on this?
<html>
<header>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<style>
.scroll{
position: fixed;
top: 0 !important;
}
#myDIV{
background-color: #ccc;
}
header{
height: 100px;
}
footer{
height: 2000px;
}
</style>
</header>
<body>
<table style="width:1900px" >
<thead id="myDIV">
<tr>
<th style="width:25%" >Column1</th>
<th style="width:25%" >Column2</th>
<th style="width:25%" >Column3</th>
<th style="width:25%" >Column4</th>
</tr>
</thead>
<tbody >
<tr>
<td style="width:25%" >aaaaaaaaaaa</td>
<td style="width:25%" >bbbbbbbbbbb</td>
<td style="width:25%" >ccccccccccc</td>
<td style="width:25%">ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
</tbody>
</table>
<p id="demo" style="background-color:yellow">testest</p>
</body>
<script>
window.onload = function(){
document.addEventListener("scroll", myFunction);
var i = 0;
function myFunction() {
document.getElementById("demo").innerHTML = "You scrolled in div." + i++;
var lastScroll = document.getScroll();
if(lastScroll[1] >= 100){
document.getElementById("myDIV").classList.add('scroll');
} else {
document.getElementById("myDIV").classList.remove('scroll');
}
}
document.getScroll = function() {
if (window.pageYOffset != undefined) {
return [pageXOffset, pageYOffset];
} else {
var sx, sy, d = document,
r = d.documentElement,
b = d.body;
sx = r.scrollLeft || b.scrollLeft || 0;
sy = r.scrollTop || b.scrollTop || 0;
return [sx, sy];
}
window.onload = function() {
document.addEventListener("scroll", myFunction);
var i = 0;
function myFunction() {
document.getElementById("demo").innerHTML = "You scrolled in div." + i++;
var lastScroll = document.getScroll();
if (lastScroll[1] >= 100) {
document.getElementById("myDIV").classList.add('scroll');
} else {
document.getElementById("myDIV").classList.remove('scroll');
}
}
document.getScroll = function() {
if (window.pageYOffset != undefined) {
return [pageXOffset, pageYOffset];
} else {
var sx, sy, d = document,
r = d.documentElement,
b = d.body;
sx = r.scrollLeft || b.scrollLeft || 0;
sy = r.scrollTop || b.scrollTop || 0;
return [sx, sy];
}
}
}
.scroll {
position: fixed;
top: 0 !important;
}
#myDIV {
background-color: #ccc;
}
header {
height: 100px;
}
footer {
height: 2000px;
}
<html>
<header>
</header>
<body>
<table style="width:1900px">
<thead id="myDIV">
<tr>
<th style="width:25%">Column1</th>
<th style="width:25%">Column2</th>
<th style="width:25%">Column3</th>
<th style="width:25%">Column4</th>
</tr>
</thead>
<tbody>
<tr>
<td style="width:25%">aaaaaaaaaaa</td>
<td style="width:25%">bbbbbbbbbbb</td>
<td style="width:25%">ccccccccccc</td>
<td style="width:25%">ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
<tr>
<td>aaaaaaaaaaa</td>
<td>bbbbbbbbbbb</td>
<td>ccccccccccc</td>
<td>ddddddddddd</td>
</tr>
</tbody>
</table>
<p id="demo" style="background-color:yellow">testest</p>
</body>
<footer></footer>