Teach you how to distinguish jquery waterfall flow js waterfall flow
How to distinguish jquery waterfall flow from js waterfall flow? Today I will bring you some practical information.
The following is the html file:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="author" content="luoyu" />
<title>瀑布流</title>
<style type="text/css">
#wraper {
width: 1000px;
margin: 0 auto;
}
#wraper ul li {
margin: 0 auto;
list-style: none;
width: 265px;
float: left;
/*height: 1000px;*/
/*background: gray;*/
margin-left: 10px;
}
.dec {
display: block;
padding: 0 15px;
}
.time span{
display: block;
margin-bottom: 5px;
}
.time a:nth-child(2) {
float:left ;
}
.time a:nth-child(3) {
float:right ;
}
.time {
padding: 10px 15px;
/*text-align: center;*/
}
.clearfix:after {
content: '';
display: block;
clear: both;
}
.img_box {
border: 1px solid #ccc;
margin-bottom: 15px;
}
.img_box img {
width: 263px
}
</style>
</head>
<body>
<p id="wraper" class="clearfix">
<ul>
<li>
<!--<p class="img_box">
<img src="img/1.jpg" width='263' />
<a href="" class="dec">你们男神都爱的倪妮 就是个大写哒美好</a>
<p class="time clearfix">
<a>2016/03/18 20:08</a>
<a href="">阅读全文</a>
</p>
</p>-->
</li>
<li></li>
<li></li>
</ul>
</p>
</body>
<script src="js/jquery.js"></script>
<script src="js/data.js"></script>
<script type="text/javascript">
var li_len = $('#wraper ul li').length;
var $li = $('#wraper ul li')
var index = -1;
// for(; index < 5; index++) {
// var op = createp(index);
// var i = getShort();
// $li.eq(i).append(op);
//
// }
//滚动过程中（不包含滚动高度），wraper高度+wraper的top要始终大于窗口高度
$(window).scroll(function() {
var hei = $('#wraper').height() + $('#wraper').offset().top - $(document).scrollTop();
console.log(hei)
// console.log($(window).height()+"========="+$(document).scrollTop()+"----"+$(window).scrollTop())
if(hei < $(window).height()) {
num = index + 5
console.log(num + "============")
show(num);
}
})
show(10);
function show(num) {
index++;
var $p = createp(index);
var i = getShort();
$li.eq(i).append($p);
$($p).fadeIn(1000);
// 错误1 $li.eq(i).appendChild($p);
var $img = $p.getElementsByTagName('img')[0];
// 错误2 var $img = $p.find('img')[0];
console.log(typeof $img)
$img.onload = function() {
if(index < num) {
show(num);
}
}
}
function getShort() {
var a = 0;
var $first_li_hei = $('#wraper ul li').eq(0).height();
for(var i = 0; i < li_len; i++) {
var li_hei = $('#wraper ul li').eq(i).height();
if(li_hei < $first_li_hei) {
a = i;
$first_li_hei = li_hei;
}
}
console.log(a + '------')
return a;
}
getShort();
function createp(i) {
var p_dom = document.createElement('p');
// console.log(p_dom)
// console.log(typeof p_dom)
p_dom.className = 'img_box';
// var p_img_dom = document.createElement('img');
var p_img_dom = new Image();
p_img_dom.src = imgData[i].src;
var p_a_dom = document.createElement('a');
p_a_dom.className = 'dec';
p_dom.appendChild(p_img_dom);
p_dom.appendChild(p_a_dom);
// p_dom.className='img_box';
var child_p = document.createElement('p');
child_p.className = 'time clearfix';
p_dom.appendChild(child_p);
var child_p_span = document.createElement('span');
var child_p_a = document.createElement('a');
var child_p_a1 = document.createElement('a');
child_p_span.innerHTML = imgData[i].dec;
child_p_a.innerHTML = imgData[i].time;
child_p_a1.innerHTML = '阅读全文';
child_p.appendChild(child_p_span);
child_p.appendChild(child_p_a);
child_p.appendChild(child_p_a1);
// $('#wraper ul li').eq(i).append(p_dom);
return p_dom;
}
</script>
</html>Related recommendations:
thinkPHP implements waterfall flow method, thinkphp implements waterfall
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