Why is the scroll up button not working in mozilla?

Question

JavaScript

Hello.
Why doesn't the following code work in Mozilla Firefox?

$(".scroll-up").click(function(){
//Необходимо прокрутить в начало страницы 
$("body").animate({"scrollTop":0},"slow");
});

Answer 1

Try like this:
$("html,body").animate({"scrollTop":0},"slow");