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