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用js做冒泡排序

2008-10-07 13:13 197 查看

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<h3>//Javascript DubbleSort Demo</h3>
<hr>
请输入排序序列：<input type=text id=source><input type=button value=排序 id=order>（输入序列请用半角逗号隔开）
<script language="javascript">
//code by douguoqiang1980@163.com
document.getElementById("order").onclick=function(){
var xPoint = screen.width/4;
var yPoint = screen.height/4;
var i,j,k,t
var str = document.getElementById("source").value;
arr = str.split(",");
document.write("<div id=/"Layer1/" style=/"position:absolute;width:36px;height:191px;left: "+xPoint+"px;top: "+yPoint+"px;/">")
document.write("<font color=red>原<br>序<br>列<br>:<br></font>")
for(i=0;i<arr.length;i++){
document.write(arr[i]+"<br>");
}
document.write("</div>");
for(j=1;j<arr.length;j++){
for(k=arr.length-1;k>0;k--){
if(Number(arr[k])<Number(arr[k-1])){
t = arr[k];
arr[k] = arr[k-1];
arr[k-1] = t;
}
}
alert("开始第"+j+"趟排序：");
document.write("<div id=/"Layer1/" style=/"position:absolute;width:36px;height:191px;left: "+(xPoint+(j*50))+"px;top: "+yPoint+"px;/">")
document.write("<font color=red>第<br>"+j+"<br>趟<br>:<br></font>")
for(i=0;i<arr.length;i++){
document.write(arr[i]+"<br>");
}
document.write("</div>");
}
}
</script>
</body>
</html>

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