admin管理员组文章数量:1133689
If you go to a page a and scroll around then refresh the page will refresh at the spot where you left it. This is great, however this also occurs on pages where there is a anchor location in the url. An example would be if you clicked on a link and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate to the anchor.
If you go to a page a and scroll around then refresh the page will refresh at the spot where you left it. This is great, however this also occurs on pages where there is a anchor location in the url. An example would be if you clicked on a link http://example.com/post/244#comment5
and refreshed the page after looking around you would not be at the anchor and the page jumps around. Is there any way to prevent this with javascript? So that no-matter-what you would always navigate to the anchor.
- Is a jQuery solution okay or do you want plain js? – mrtsherman Commented Aug 12, 2011 at 4:14
9 Answers
Reset to default 163On Chrome, even if you force scrollTop to 0 it will jump afterwards after the first scroll event.
You should bind the scroll to this:
$(window).on('beforeunload', function() {
$(window).scrollTop(0);
});
So the browser is tricked to believe that it was on the beginning before the refresh.
To disable automatic scroll restoration just add this tag to head section.
<script>history.scrollRestoration = "manual"</script>
Supported by all modern browsers
After number of failures finally I managed to do the trick. anzo is correct here as using beforeunload
will make the page jump to top when a user reloads the page or clicks a link. So unload
is the clearly way to do this.
$(window).on('unload', function() {
$(window).scrollTop(0);
});
Javascript way(Thanks ProfNandaa):
window.onunload = function(){ window.scrollTo(0,0); }
EDIT: 16/07/2015
The jump issue is still there with Firefox even with unload
event.
This solution is no longer recommended due to changes in browser behavior. See other answers.
Basically, if an anchor is used we bind to the windows scroll event. The idea being that the first scroll event has to belong to the automatic repositioning done by the browser. When this occurs we do our own repositioning and then remove the bound event. This prevents subsequent page scrolls from borking the system.
$(document).ready(function() {
if (window.location.hash) {
//bind to scroll function
$(document).scroll( function() {
var hash = window.location.hash
var hashName = hash.substring(1, hash.length);
var element;
//if element has this id then scroll to it
if ($(hash).length != 0) {
element = $(hash);
}
//catch cases of links that use anchor name
else if ($('a[name="' + hashName + '"]').length != 0)
{
//just use the first one in case there are multiples
element = $('a[name="' + hashName + '"]:first');
}
//if we have a target then go to it
if (element != undefined) {
window.scrollTo(0, element.position().top);
}
//unbind the scroll event
$(document).unbind("scroll");
});
}
});
This works for me.
//Reset scroll top
history.scrollRestoration = "manual"
$(window).on('beforeunload', function(){
$(window).scrollTop(0);
});
Here's a a more general approach. Instead of trying to prevent the browser from scrolling (or jumping to the top as it would look like) I just restore the previous position on the page. I.e. I'm recording the current y-offset of the page in localStorage and scroll to this position once the page has loaded.
function storePagePosition() {
var page_y = window.pageYOffset;
localStorage.setItem("page_y", page_y);
}
window.addEventListener("scroll", storePagePosition);
var currentPageY;
try {
currentPageY = localStorage.getItem("page_y");
if (currentPageY === undefined) {
localStorage.setItem("page_y") = 0;
}
window.scrollTo( 0, currentPageY );
} catch (e) {
// no localStorage available
}
You can just put a # at the end so the page will load at the top.
Works on all browsers, mobile and desktop, because it is so simple.
$(document).ready(function() {
var url = window.location.href;
console.log(url);
if( url.indexOf('#') < 0 ) {
window.location.replace(url + "#");
} else {
window.location.replace(url);
}
});
// This loads the page with a # at the end.
this works absolutely fine. Nice and clean javascript
var objDiv = document.getElementById("chatbox");
if ( window.history.replaceState ) {
objDiv.scrollTop = objDiv.scrollHeight;
window.history.replaceState( null, null, window.location.href );
}
You should be able to.
Onload, check if window.location.hash
has a value. If it does, grab the element with an id that matches the hash value. Find the position of the element (recursive calls to offsetTop/offsetLeft) and then pass those values into the window.scrollTo(x, y)
method.
This should scroll the page to the desired element.
本文标签: javascriptPrevent automatic browser scroll on refreshStack Overflow
版权声明:本文标题:javascript - Prevent automatic browser scroll on refresh - Stack Overflow 内容由网友自发贡献,该文观点仅代表作者本人, 转载请联系作者并注明出处:http://www.betaflare.com/web/1736781152a1952602.html, 本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌抄袭侵权/违法违规的内容,一经查实,本站将立刻删除。
发表评论