JS冒泡排序（div）_随笔

JS冒泡排序（div）

更生动的排序动画。

通过改变div的高度来实现排序，通过闭包来实现for循环的睡眠时间。

<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Document</title>

    <style>

        button

        {

            width:70px;

            height:30px;

            background:#005AA8;

            color:white;

            font-size:15px;

            font-family:Microsoft YaHei;

            border:0;

            outline:0;

            border-radius:5px;

            cursor:pointer;

            opacity:.8;

        }

        button:hover

        {

            opacity:1;

        }

        #box

        {

            width:300px;

            height:400px;

            outline:1px solid black;

            margin-top:10px;

        }

        #box div

        {

            width:3px;

            height:200px;

            margin-left:1px;

            background:blue;

            display:inline-block;

        }

        #boxboxbox

        {

            width:0;

            height:100%;

            display:inline-block;

            margin-left:0px;

        }

    </style>

</head>

<body>

<button onclick="fnnn()">排序</button>

<div id="box">

<span id="boxboxbox"></span>

</div>

<script>

    // div 以及 div 的宽高

    var box = document.getElementById("box");

    var boxW = box.offsetWidth;

    var boxH = box.offsetHeight;

    var len = boxW/4;

    for(var i = 0;i<len;i++){

        var crtDiv = document.createElement("div");

        var divH = parseInt(Math.random()*boxH);

        crtDiv.style.height = divH + "px";

        crtDiv.index = i;

        box.insertBefore(crtDiv,document.getElementById("boxboxbox"));

    }

    function fnnn(){

        setInterval(fn,300);

    }

    function fn(){

        var childDiv = box.children;

        for(var j = 0,leng = childDiv.length-1;j<leng;j++){

            for(var n = 0,nleng = childDiv.length-1;n<nleng-j;n++){

                (function fun(n){

                    setTimeout(function(){

                        if(parseInt(childDiv[n].style.height) > parseInt(childDiv[n+1].style.height)){

                            var oneH = parseInt(childDiv[n].style.height);

                            childDiv[n].style.height = parseInt(childDiv[n+1].style.height) + "px";

                            childDiv[n+1].style.height = oneH + "px";

                        }

                    },n*100);

                })(n);

            }

        }

    }

</script>

</body>

</html>

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原文地址: https://outofmemory.cn/zaji/587144.html

JS冒泡排序（div）

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