javaScriptDay2

来源：互联网发布：java面向对象还是过程编辑：程序博客网时间：2024/06/03 20:03

<html>
<head><h3>转化关系</h3></head>
<body>
<p>
<script language="JavaScript" type="text/javascript">
document.bgColor="WHITE";
//document.bgColor="skyblue";
var curNum;
do
{
   curNum = prompt("please enter a number","");
}while(isNaN(curNum) == true);

document.write("<table width = 150 border = 2>");
document.write("<tr><th>Mathod</th><th>Result</th></tr>");
document.write("<tr><td>Math.ceil()</td><td>"+ Math.ceil(curNum) +"</td></tr>");
document.write("<tr><td>Math.floor()</td><td>"+ Math.floor(curNum) +"</td></tr>");
document.write("<tr><td>Math.round()</td><td>"+ Math.round(curNum) +"</td></tr>");
document.write("<tr><td>parseInt()</td><td>"+ parseInt(curNum) +"</td></tr>");

document.write("</table>");
</script>
</p>

<p>
<img name=icon src="" border=0 width=150 height=150>
<h1>产生10个1~6的随机数</h1>
<script language="JavaScript" type="text/javascript">
var throwNum;
var diceNum;
for(throwNum = 0; throwNum < 10; throwNum++)
{

   diceNum = Math.floor((Math.random()*6)+1);
   document.write(diceNum+"\r\n\t");
}

var names = new Array();
   names[0] = "张三";
   names[1] = "李四";
   names[2] = "王五";
   names[11] = "双11";
   document.write("<br>");
   document.write(names[names.length-1]);

document.write("<br>");
var names = new Array("a", "b", "c");
var ages = new Array("20", "21", "22");
names = names.concat(ages);
var index;
for(index = 0; index < names.length; index++)
{
   document.write(names[index]+"\r\t");
}

var shoping = new Array("apple", "milk","banana","eggs");
document.write("<br>");
document.write(shoping.join());
document.write("<br>");
document.write(shoping.join("<br>"));

document.write("<br> 排序 "+shoping.sort());

document.write("<br> 反转 "+shoping.reverse());
var dpeth;
dpeth = window.screen.colorDepth;
document.write("<br> 您的计算机颜色是 "+dpeth);
//alert("\n您的计算机颜色位是 "+dpeth);
var myImages = new Array("l.png", "xl.png","xxl.png");
var imgIndex = prompt("请输入0到2",2);
document.images["icon"].src = myImages[imgIndex];

</script>
</p>

<p>
<A href="scriptday1.html" name="pageOne" onclick=" return pageOne_onClick() ">点击进入页面1</A>
</p>
<p>
<A href="scriptday1.html" name="pageOne">无指定"onclick"进入页面1的点击</A>
</p>
<script language="JavaScript" type="text/javascript">
function pageOne_onClick()
{
   alert("点击确定进入页面1");
   return true;
}

window.document.links[1].onClick = pageOne_onClick;

</script>
</body>

</html>

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