刷新页面滚动到页面顶部

Question

I am creating a website in php , in which I want a division to reload by javascript when the user scroll to the top of the page.

Can anyone guide me how to do this with example?

Answer 1

With using something like jQuery you can do it like this;

$(window).scroll(function () { 

   var offset = 50;

   if( $(window).scrollTop() <= offset ) {

   // Reload your division    
   //

   }

 });

Note; the .scroll function is firing each pixel you scroll, for browserload you might want to add a timeout for this

Answer 2

You need to watch the scrollTop value. Simple example:

$(window).scroll(function () { 
    if ( $(window).scrollTop <= 30 ) {
        window.location.reload();
    }
});