js瀑布流效果 原生js实现瀑布流效果
Tangerine. 人气:0CSS样式:
<style> .cont{margin: 0 auto;position: relative;} .box{float: left;padding: 5px;} .imgbox{border: black solid 1px;padding: 5px;border-radius: 5px;} .imgbox img{width: 200px;display: block;} </style>
HTML结构:
<div class="cont"> <div class="box"> <div class="imgbox"> <img src="img/1.jpg" > </div> </div> //......此处省略雷同代码 <div class="box"> <div class="imgbox"> <img src="img/2.jpg" > </div> </div> </div>
JavaScript代码:
<script> onload = function(){ var wf = new WaterF(); wf.init(); } class WaterF{ constructor(){ this.clientW = document.documentElement.clientWidth; this.abox = document.querySelectorAll(".box"); this.cont = document.querySelector(".cont"); } init(){ this.maxNum = parseInt(this.clientW / this.abox[0].offsetWidth); this.cont.style.width = this.maxNum * this.abox[0].offsetWidth + "px"; this.firstLine(); this.otherLine(); } firstLine(){ this.heightArr = []; for(var i=0;i<this.maxNum;i++){ this.heightArr.push(this.abox[i].offsetHeight); } } otherLine(){ for(var i=this.maxNum;i<this.abox.length;i++){ var min = Math.min(...this.heightArr); var minIndex = this.heightArr.indexOf(min); this.abox[i].style.position = "absolute"; this.abox[i].style.top = min + "px"; this.abox[i].style.left = minIndex * this.abox[0].offsetWidth + "px"; this.heightArr[minIndex] = this.heightArr[minIndex] + this.abox[i].offsetHeight; } } } </script>
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