- 滚动到底部时，会附加 html 元素。这种附加机制只做了两次，最后附加了一个粉蓝色的按钮。
<!DOCTYPE html>
<html>
<head>
<title>Demo: Lazy Loader</title>
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<style>
#myScroll {
border: 1px solid #999;
}
p {
border: 1px solid #ccc;
padding: 50px;
text-align: center;
}
.loading {
color: red;
}
.dynamic {
background-color:#ccc;
color:#000;
}
</style>
<script>
var counter=0;
$(window).scroll(function () {
if ($(window).scrollTop() == $(document).height() - $(window).height() && counter < 2) {
appendData();
//可以把加载ajax写在这里哦
}
});
function appendData() {
var html = '';
for (i = 0; i < 10; i++) {
html += '<p class="dynamic">Dynamic Data : This is test data.<br />Next line.</p>';
}
$('#myScroll').append(html);
counter++;
if(counter==2)
$('#myScroll').append('<button id="uniqueButton" style="margin-left: 50%; background-color: powderblue;">Click</button><br /><br />');
}
</script>
</head>
<body>
<div id="myScroll">
<p>
Contents will load here!!!.<br />
</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
<p >This is test data.<br />Next line.</p>
</div>
</body>
</html>
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