これはあなたが必要とするものでなければなりません。
Javascript:
$(window).scroll(function() {
var hT = $('#circle').offset().top,
hH = $('#circle').outerHeight(),
wH = $(window).height(),
wS = $(this).scrollTop();
console.log((hT - wH), wS);
if (wS > (hT + hH - wH)) {
$('.count').each(function() {
$(this).prop('Counter', 0).animate({
Counter: $(this).text()
}, {
duration: 900,
easing: 'swing',
step: function(now) {
$(this).text(Math.ceil(now));
}
});
}); {
$('.count').removeClass('count').addClass('counted');
};
}
});
CSS:
#circle
{
width: 100px;
height: 100px;
background: blue;
-moz-border-radius: 50px;
-webkit-border-radius: 50px;
border-radius: 50px;
float:left;
margin:5px;
}
.count, .counted
{
line-height: 100px;
color:white;
margin-left:30px;
font-size:25px;
}
#talkbubble {
width: 120px;
height: 80px;
background: green;
position: relative;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
float:left;
margin:20px;
}
#talkbubble:before {
content:"";
position: absolute;
right: 100%;
top: 15px;
width: 0;
height: 0;
border-top: 13px solid transparent;
border-right: 20px solid green;
border-bottom: 13px solid transparent;
}
HTML:
<div id="talkbubble"><span class="count">145</span></div>
<div style="clear:both"></div>
<div id="talkbubble"><span class="count">145</span></div>
<div style="clear:both"></div>
<div id="circle"><span class="count">1234</span></div>
このbootplyを確認してください:http://www.bootply.com/atin_agarwal2/cJBywxX5Qp