<!DOCTYPE html>
<html>
<head>
<title>JavaScript实现可视化展示冒泡排序过程</title>
<style>
#boxes{
border:1px solid grey;
width:1320px;
height:300px;
margin-top:10px;
position:relative;
}
.box{
background:red;
width:20px;
line-height:30px;
text-align:center;
font-family:Microsoft Yahei;
font-size:15px;
color:white;
margin:0 1px;
position:absolute;
}
</style>
</head>
<body>
<div id="boxes"></div>
<script>
function random(){
var numbers = [];
for (var i = 0; i < 60; i++) {
var number = Math.floor(Math.random() * 90 + 10);
numbers.push(number);
var divElement = document.createElement("div");
var parentElement = document.getElementById("boxes");
divElement.style.left = i * 20 + i * 2 + "px";
divElement.style.top = 300 - 3 * number + "px";
divElement.style.height = 3 * number + "px";
divElement.setAttribute("class","box");
parentElement.appendChild(divElement);
}
return numbers;
}
function sort(){
var numbers = random();
var parentElement = document.getElementById("boxes");
var i = 0, j = 0;
var time = setInterval(function() {
if (i < numbers.length) {
if (j < numbers.length - i) {
if (numbers[j] > numbers[j + 1]) {
var temp = numbers[j];
numbers[j] = numbers[j + 1];
numbers[j + 1] = temp;
parentElement.innerHTML = "";
for (var k = 0; k < numbers.length; k++) {
var textNode = document.createTextNode(numbers[k]);
var divElement = document.createElement("div");
divElement.appendChild(textNode);
divElement.style.left = k * 20 + k * 2 + "px";
divElement.style.top = 300 - 3 * numbers[k] + "px";
divElement.style.height = 3 * numbers[k] + "px";
divElement.setAttribute("class","box");
parentElement.appendChild(divElement);
}
}
j++;
}
else{
i++;
j = 0;
}
}
else {
clearInterval(time);
return;
}
}, 100);
}
sort();
</script>
</body>
</html>浅谈JavaScript实现可视化展示冒泡排序过程
本文转载:CSDN博客