html标签内部，简单加js
<a href=""></a><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>html标签内部，简单加js</title>
<meta name="keywords" content="关键字列表" />
<meta name="description" content="网页描述" />
<link rel="stylesheet" type="text/css" href="" />
<style type="text/css"></style>
<script type="text/javascript">
var i = "http://www.w3school.com.cn"; var str = "<div>";
str +='<a href="'+i+'">W3School</a>';
str +="</div>"; document.write(str);
</script>
</head>
<body> </body>
</html>
一维数组求最大值,最小值两个值位置demo
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>网页标题</title>
<meta name="keywords" content="关键字列表" />
<meta name="description" content="网页描述" />
<link rel="stylesheet" type="text/css" href="" />
<style type="text/css"></style>
<script type="text/javascript">
var arr=[10,56,78,43,34,67,4] function getMax(arr2){
var max=arr2[0];
var min=arr2[0];
var maxwz=0;
var minwz=0;
for(var i=0;i<arr2.length;i++){
if(max<arr[i]){
max=arr[i];
maxwz=i
}
if(min>arr[i]){
min=arr[i];
minwz=i
}
}
document.write("最大"+max);
document.write("最大值得位置:"+maxwz);
document.write("<hr>")
document.write("最小"+min);
document.write("最小值得位置:"+minwz);
}
getMax(arr) </script>
</head>
<body> </body>
</html>
数字金字塔demo
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>网页标题</title>
<meta name="keywords" content="关键字列表" />
<meta name="description" content="网页描述" />
<link rel="stylesheet" type="text/css" href="" />
<style type="text/css"></style>
<script type="text/javascript">
function txbg(m){
//控制最大数,自行修改
if(m>9){
m=9;
}
//控制最小数
if(m<2){
m=2;
}
//倒序金字塔(9-2)
for(var a=m;a>1;a--){
for(var b=1;b<=a;b++){
document.write(a)
}
document.write("<br/>") }
//金字塔(1-9)
for(var a=1;a<=m;a++){
for(var b=1;b<=a;b++){
document.write(a)
}
document.write("<br/>") }
} //传参输出图形
txbg(20);
</script>
</head>
<body>
</body>
</html>
