Scroll to the top of the page using JavaScript/jQuery?
I've a <button> on the page, when this button is pressed a hidden <div> is shown using jQuery.
How do I scroll to the top of the page using a JavaScript/jQuery command in that function? It is desirable even if the scroll bar instantly jumps to the top. I'm not looking for a smooth scrolling.
If you don't need the change to animate then you don't need to use any special plugins - I'd just use the native JavaScript window.scrollTo method -- passing in 0,0 will scroll the page to the top left instantly.
window.scrollTo(x-coord, y-coord);
Parameters
If you do want smooth scrolling, try something like this:
$("a[href='#top']").click(function() {
$("html, body").animate({ scrollTop: 0 }, "slow");
return false;
});
That will take any <a> tag whose href="#top" and make it smooth scroll to the top.
试试这个在顶部滚动
<script>
$(document).ready(function(){
$(window).scrollTop(0);
});
</script>
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