使用JavaScript移至div的最高位置

Question

I have developed phonegap android app using javascript.I need to move to the top of div in button click using javascript or jquery.How to do this.Please kindly guide me.Thanks in advance.

Here is my code:

$('#toTop').click(function() 
{
$('#wrapper').animate({ scrollTop: 0 },200);
});

<div id="wrapper"></div>

Answer 1

Assign $yourElement.offset().top to scrollTop property.

$('#toTop').click(function() {
    var wrapper$ = $('#wrapper');
    $(window).animate({
        scrollTop: wrapper$.offset().top
    }, 200);
});

<div id="wrapper"></div>

I've made a code example , you can play with it.