jquer documet on scroll code example
Example 1: jquery on scroll down
Check current scrollTop vs previous scrollTop
var lastScrollTop = 0;
$(window).scroll(function(event){
var st = $(this).scrollTop();
if (st > lastScrollTop){
} else {
}
lastScrollTop = st;
});
Example 2: jquery on wheel event
$("#main-div" ).on( 'wheel', function() {
alert("Hello! I am an alert box!!");
});
Example 3: jquery on scroll
Syntax
Trigger the scroll event for the selected elements:
$(selector).scroll()
Attach a function to the scroll event:
$(selector).scroll(function)