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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>
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